162971552 has 12 divisors (see below), whose sum is σ = 320850306. Its totient is φ = 81485760.

The previous prime is 162971527. The next prime is 162971563. The reversal of 162971552 is 255179261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 154654096 + 8317456 = 12436^2 + 2884^2 .

It is a super-2 number, since 2×162971552² = 53119453522577408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546399 + ... + 2546462.

Almost surely, 2^162971552 is an apocalyptic number.

It is an amenable number.

162971552 is a deficient number, since it is larger than the sum of its proper divisors (157878754).

162971552 is an equidigital number, since it uses as much as digits as its factorization.

162971552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092871 (or 5092863 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 162971552 is about 12766.0311765247. The cubic root of 162971552 is about 546.2237763874.

The spelling of 162971552 in words is "one hundred sixty-two million, nine hundred seventy-one thousand, five hundred fifty-two".