16868439024 has 40 divisors (see below), whose sum is σ = 43581474000. Its totient is φ = 5622210048.

The previous prime is 16868439017. The next prime is 16868439061. The reversal of 16868439024 is 42093486861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802602 + ... + 823350.

It is an arithmetic number, because the mean of its divisors is an integer number (1089536850).

Almost surely, 2^16868439024 is an apocalyptic number.

It is an amenable number.

16868439024 is an abundant number, since it is smaller than the sum of its proper divisors (26713034976).

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

16868439024 is a wasteful number, since it uses less digits than its factorization.

16868439024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37697 (or 37691 counting only the distinct ones).

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

The spelling of 16868439024 in words is "sixteen billion, eight hundred sixty-eight million, four hundred thirty-nine thousand, twenty-four".