16552560432 has 20 divisors (see below), whose sum is σ = 42760781240. Its totient is φ = 5517520128.

The previous prime is 16552560421. The next prime is 16552560457. The reversal of 16552560432 is 23406525561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172422457 + ... + 172422552.

It is an arithmetic number, because the mean of its divisors is an integer number (2138039062).

Almost surely, 2^16552560432 is an apocalyptic number.

16552560432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16552560432 is an abundant number, since it is smaller than the sum of its proper divisors (26208220808).

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

16552560432 is a wasteful number, since it uses less digits than its factorization.

16552560432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344845020 (or 344845014 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 16552560432 in words is "sixteen billion, five hundred fifty-two million, five hundred sixty thousand, four hundred thirty-two".