16934402688 has 128 divisors (see below), whose sum is σ = 54113856000. Its totient is φ = 4583734272.

The previous prime is 16934402659. The next prime is 16934402701. The reversal of 16934402688 is 88620443961.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 16934402688.

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, 114718 + ... + 216861.

It is an arithmetic number, because the mean of its divisors is an integer number (422764500).

Almost surely, 2^16934402688 is an apocalyptic number.

It is an amenable number.

16934402688 is an abundant number, since it is smaller than the sum of its proper divisors (37179453312).

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

16934402688 is a wasteful number, since it uses less digits than its factorization.

16934402688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331622 (or 331610 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 16934402688 in words is "sixteen billion, nine hundred thirty-four million, four hundred two thousand, six hundred eighty-eight".