162981732 has 12 divisors (see below), whose sum is σ = 380290736. Its totient is φ = 54327240.

The previous prime is 162981719. The next prime is 162981733. The reversal of 162981732 is 237189261.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (162981733) 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, 6790894 + ... + 6790917.

Almost surely, 2^162981732 is an apocalyptic number.

162981732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162981732 is an abundant number, since it is smaller than the sum of its proper divisors (217309004).

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

162981732 is a wasteful number, since it uses less digits than its factorization.

162981732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581818 (or 13581816 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 162981732 is about 12766.4298846624. The cubic root of 162981732 is about 546.2351494199.

The spelling of 162981732 in words is "one hundred sixty-two million, nine hundred eighty-one thousand, seven hundred thirty-two".