16315944832 has 32 divisors (see below), whose sum is σ = 35459371800. Its totient is φ = 7416337920.

The previous prime is 16315944817. The next prime is 16315944833. The reversal of 16315944832 is 23844951361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16315944833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792607 + ... + 5795422.

Almost surely, 2^16315944832 is an apocalyptic number.

It is an amenable number.

16315944832 is an abundant number, since it is smaller than the sum of its proper divisors (19143426968).

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

16315944832 is a wasteful number, since it uses less digits than its factorization.

16315944832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588054 (or 11588042 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 16315944832 in words is "sixteen billion, three hundred fifteen million, nine hundred forty-four thousand, eight hundred thirty-two".