16172056463436 has 72 divisors (see below), whose sum is σ = 42204616272000. Its totient is φ = 5215981155840.

The previous prime is 16172056463419. The next prime is 16172056463483. The reversal of 16172056463436 is 63436465027161.

16172056463436 is a `hidden beast` number, since 1 + 6 + 1 + 72 + 0 + 564 + 6 + 3 + 4 + 3 + 6 = 666.

16172056463436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6073570 + ... + 8320598.

It is an arithmetic number, because the mean of its divisors is an integer number (586175226000).

Almost surely, 2^{16172056463436} is an apocalyptic number.

It is an amenable number.

16172056463436 is an abundant number, since it is smaller than the sum of its proper divisors (26032559808564).

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

16172056463436 is a wasteful number, since it uses less digits than its factorization.

16172056463436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253519 (or 2253514 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 16172056463436 in words is "sixteen trillion, one hundred seventy-two billion, fifty-six million, four hundred sixty-three thousand, four hundred thirty-six".