82166708 has 24 divisors (see below), whose sum is σ = 155387232. Its totient is φ = 37792224.

The previous prime is 82166701. The next prime is 82166713. The reversal of 82166708 is 80766128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82166701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13391 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (6474468).

Almost surely, 2^82166708 is an apocalyptic number.

It is an amenable number.

82166708 is a deficient number, since it is larger than the sum of its proper divisors (73220524).

82166708 is a wasteful number, since it uses less digits than its factorization.

82166708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 82166708 is about 9064.5853738602. The cubic root of 82166708 is about 434.7423638454.

The spelling of 82166708 in words is "eighty-two million, one hundred sixty-six thousand, seven hundred eight".