162523472164 has 45 divisors (see below), whose sum is σ = 303116074107. Its totient is φ = 76237377336.

The previous prime is 162523472117. The next prime is 162523472203. The reversal of 162523472164 is 461274325261.

The square root of 162523472164 is 403142.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162523472164.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1577897737 + ... + 1577897839.

Almost surely, 2^162523472164 is an apocalyptic number.

162523472164 is the 403142-nd square number.

It is an amenable number.

162523472164 is a deficient number, since it is larger than the sum of its proper divisors (140592601943).

162523472164 is an frugal number, since it uses more digits than its factorization.

162523472164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 124 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The spelling of 162523472164 in words is "one hundred sixty-two billion, five hundred twenty-three million, four hundred seventy-two thousand, one hundred sixty-four".