16572164442474 has 16 divisors (see below), whose sum is σ = 33144382466208. Its totient is φ = 5524045883952.

The previous prime is 16572164442437. The next prime is 16572164442523. The reversal of 16572164442474 is 47424446127561.

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, 2589324 + ... + 6312600.

It is an arithmetic number, because the mean of its divisors is an integer number (2071523904138).

Almost surely, 2^{16572164442474} is an apocalyptic number.

16572164442474 is an abundant number, since it is smaller than the sum of its proper divisors (16572218023734).

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

16572164442474 is a wasteful number, since it uses less digits than its factorization.

16572164442474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465109.

The product of its digits is 36126720, while the sum is 57.

The spelling of 16572164442474 in words is "sixteen trillion, five hundred seventy-two billion, one hundred sixty-four million, four hundred forty-two thousand, four hundred seventy-four".