82142656 has 14 divisors (see below), whose sum is σ = 163001960. Its totient is φ = 41071296.

The previous prime is 82142651. The next prime is 82142663. The reversal of 82142656 is 65624128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82142651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641676 + ... + 641803.

Almost surely, 2^82142656 is an apocalyptic number.

It is an amenable number.

82142656 is a deficient number, since it is larger than the sum of its proper divisors (80859304).

82142656 is a wasteful number, since it uses less digits than its factorization.

82142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283491 (or 1283481 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 82142656 is about 9063.2585751483. The cubic root of 82142656 is about 434.6999401597.

The spelling of 82142656 in words is "eighty-two million, one hundred forty-two thousand, six hundred fifty-six".