162972779052 has 24 divisors (see below), whose sum is σ = 380733019632. Its totient is φ = 54258088000.

The previous prime is 162972779041. The next prime is 162972779063. The reversal of 162972779052 is 250977279261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (162972779041) and next prime (162972779063).

It is a junction number, because it is equal to n+sod(n) for n = 162972778983 and 162972779001.

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, 8261199 + ... + 8280902.

It is an arithmetic number, because the mean of its divisors is an integer number (15863875818).

Almost surely, 2^162972779052 is an apocalyptic number.

162972779052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162972779052 is an abundant number, since it is smaller than the sum of its proper divisors (217760240580).

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

162972779052 is a wasteful number, since it uses less digits than its factorization.

162972779052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542929 (or 16542927 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 57.

The spelling of 162972779052 in words is "one hundred sixty-two billion, nine hundred seventy-two million, seven hundred seventy-nine thousand, fifty-two".