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164725097472 = 21033131726959
BaseRepresentation
bin1001100101101001100…
…0011000010000000000
3120202011222022222012000
42121122120120100000
510144324111104342
6203401302304000
714621020140405
oct2313230302000
9522158288160
10164725097472
11639500288a1
1227b12128000
13126c21770a0
147d892962ac
1544416e144c
hex265a618400

164725097472 has 352 divisors, whose sum is σ = 556286169600. Its totient is φ = 47701426176.

The previous prime is 164725097437. The next prime is 164725097497. The reversal of 164725097472 is 274790527461.

164725097472 is a `hidden beast` number, since 1 + 64 + 7 + 2 + 509 + 7 + 4 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6096729 + ... + 6123687.

Almost surely, 2164725097472 is an apocalyptic number.

164725097472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164725097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278143084800).

164725097472 is an abundant number, since it is smaller than the sum of its proper divisors (391561072128).

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

164725097472 is a wasteful number, since it uses less digits than its factorization.

164725097472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27018 (or 26994 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 164725097472 in words is "one hundred sixty-four billion, seven hundred twenty-five million, ninety-seven thousand, four hundred seventy-two".