162947572 has 12 divisors (see below), whose sum is σ = 300166720. Its totient is φ = 77185656.

The previous prime is 162947537. The next prime is 162947579. The reversal of 162947572 is 275749261.

It is a super-2 number, since 2×162947572² = 53103822441390368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162947579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071948 + ... + 1072099.

Almost surely, 2^162947572 is an apocalyptic number.

It is an amenable number.

162947572 is a deficient number, since it is larger than the sum of its proper divisors (137219148).

162947572 is a wasteful number, since it uses less digits than its factorization.

162947572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144070 (or 2144068 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 162947572 is about 12765.0919307305. The cubic root of 162947572 is about 546.1969842091.

The spelling of 162947572 in words is "one hundred sixty-two million, nine hundred forty-seven thousand, five hundred seventy-two".