82156532 has 24 divisors (see below), whose sum is σ = 151919040. Its totient is φ = 38767680.

The previous prime is 82156511. The next prime is 82156561. The reversal of 82156532 is 23565128.

It is a congruent number.

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, 19433 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (6329960).

Almost surely, 2^82156532 is an apocalyptic number.

It is an amenable number.

82156532 is a deficient number, since it is larger than the sum of its proper divisors (69762508).

82156532 is a wasteful number, since it uses less digits than its factorization.

82156532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4149 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 82156532 is about 9064.0240511596. The cubic root of 82156532 is about 434.7244161021.

The spelling of 82156532 in words is "eighty-two million, one hundred fifty-six thousand, five hundred thirty-two".