16105865232 has 20 divisors (see below), whose sum is σ = 41606818640. Its totient is φ = 5368621728.

The previous prime is 16105865219. The next prime is 16105865233. The reversal of 16105865232 is 23256850161.

It is not an unprimeable number, because it can be changed into a prime (16105865233) 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, 167769382 + ... + 167769477.

It is an arithmetic number, because the mean of its divisors is an integer number (2080340932).

Almost surely, 2^16105865232 is an apocalyptic number.

16105865232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16105865232 is an abundant number, since it is smaller than the sum of its proper divisors (25500953408).

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

16105865232 is a wasteful number, since it uses less digits than its factorization.

16105865232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335538870 (or 335538864 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16105865232 in words is "sixteen billion, one hundred five million, eight hundred sixty-five thousand, two hundred thirty-two".