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163426104467808 = 253721321391478947
BaseRepresentation
bin100101001010001010011010…
…111001110110000101100000
3210102122101100012201001111220
4211022022122321312011200
5132410033130220432213
61335324525502135040
746265101134562200
oct4512123271660540
9712571305631456
10163426104467808
114808869250a396
12163b50a7881480
137026028152300
142c4dc19530400
1513d614c0ebe23
hex94a29ae76160

163426104467808 has 432 divisors, whose sum is σ = 544261264424640. Its totient is φ = 42791279311872.

The previous prime is 163426104467797. The next prime is 163426104467819. The reversal of 163426104467808 is 808764401624361.

It is an interprime number because it is at equal distance from previous prime (163426104467797) and next prime (163426104467819).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109762191 + ... + 111241137.

It is an arithmetic number, because the mean of its divisors is an integer number (1259864038020).

Almost surely, 2163426104467808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163426104467808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272130632212320).

163426104467808 is an abundant number, since it is smaller than the sum of its proper divisors (380835159956832).

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

163426104467808 is a wasteful number, since it uses less digits than its factorization.

163426104467808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479139 (or 1479111 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 163426104467808 in words is "one hundred sixty-three trillion, four hundred twenty-six billion, one hundred four million, four hundred sixty-seven thousand, eight hundred eight".