16120564512 has 48 divisors (see below), whose sum is σ = 45571599360. Its totient is φ = 4960173312.

The previous prime is 16120564477. The next prime is 16120564531. The reversal of 16120564512 is 21546502161.

It is a tau number, because it is divible by the number of its divisors (48).

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, 6457312 + ... + 6459807.

It is an arithmetic number, because the mean of its divisors is an integer number (949408320).

Almost surely, 2^16120564512 is an apocalyptic number.

16120564512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16120564512 is an abundant number, since it is smaller than the sum of its proper divisors (29451034848).

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

16120564512 is a wasteful number, since it uses less digits than its factorization.

16120564512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12917145 (or 12917137 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 16120564512 in words is "sixteen billion, one hundred twenty million, five hundred sixty-four thousand, five hundred twelve".