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164428842162 = 231323157583789
BaseRepresentation
bin1001100100100010111…
…0010000010010110010
3120201102022212122022010
42121020232100102302
510143222240422122
6203312040423350
714610462045324
oct2311056202262
9521368778263
10164428842162
11638088818a2
1227a4aa77b56
131267598a8a0
147d5bbb9614
1544256c1e0c
hex2648b904b2

164428842162 has 64 divisors (see below), whose sum is σ = 371906922240. Its totient is φ = 48085449984.

The previous prime is 164428842143. The next prime is 164428842163. The reversal of 164428842162 is 261248824461.

It is a happy number.

It is a super-3 number, since 3×1644288421623 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164428842163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10237 + ... + 573552.

It is an arithmetic number, because the mean of its divisors is an integer number (5811045660).

Almost surely, 2164428842162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164428842162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185953461120).

164428842162 is an abundant number, since it is smaller than the sum of its proper divisors (207478080078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164428842162 is a wasteful number, since it uses less digits than its factorization.

164428842162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583987.

The product of its digits is 1179648, while the sum is 48.

The spelling of 164428842162 in words is "one hundred sixty-four billion, four hundred twenty-eight million, eight hundred forty-two thousand, one hundred sixty-two".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 157 299 314 471 598 897 942 1794 2041 3611 4082 6123 7222 10833 12246 21666 46943 93886 140829 281658 583789 1167578 1751367 3502734 7589257 13427147 15178514 22767771 26854294 40281441 45535542 80562882 91654873 174552911 183309746 274964619 349105822 523658733 549929238 1047317466 1191513349 2108062079 2383026698 3574540047 4216124158 6324186237 7149080094 12648372474 27404807027 54809614054 82214421081 164428842162