82166492 has 24 divisors (see below), whose sum is σ = 152449920. Its totient is φ = 38681280.

The previous prime is 82166479. The next prime is 82166519. The reversal of 82166492 is 29466128.

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, 4367 + ... + 13542.

It is an arithmetic number, because the mean of its divisors is an integer number (6352080).

Almost surely, 2^82166492 is an apocalyptic number.

It is an amenable number.

82166492 is a deficient number, since it is larger than the sum of its proper divisors (70283428).

82166492 is a wasteful number, since it uses less digits than its factorization.

82166492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981 (or 17979 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 82166492 is about 9064.5734593526. The cubic root of 82166492 is about 434.7419828945.

The spelling of 82166492 in words is "eighty-two million, one hundred sixty-six thousand, four hundred ninety-two".