16855959608304 has 80 divisors (see below), whose sum is σ = 43716514538400. Its totient is φ = 5596468346880.

The previous prime is 16855959608269. The next prime is 16855959608347. The reversal of 16855959608304 is 40380695955861.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318846834 + ... + 318899694.

It is an arithmetic number, because the mean of its divisors is an integer number (546456431730).

Almost surely, 2^{16855959608304} is an apocalyptic number.

It is an amenable number.

16855959608304 is an abundant number, since it is smaller than the sum of its proper divisors (26860554930096).

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

16855959608304 is a wasteful number, since it uses less digits than its factorization.

16855959608304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78978 (or 78972 counting only the distinct ones).

The product of its (nonzero) digits is 279936000, while the sum is 69.

The spelling of 16855959608304 in words is "sixteen trillion, eight hundred fifty-five billion, nine hundred fifty-nine million, six hundred eight thousand, three hundred four".