82566616 has 16 divisors (see below), whose sum is σ = 168886440. Its totient is φ = 37530240.

The previous prime is 82566607. The next prime is 82566623. The reversal of 82566616 is 61666528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469041 + ... + 469216.

Almost surely, 2^82566616 is an apocalyptic number.

It is an amenable number.

82566616 is an abundant number, since it is smaller than the sum of its proper divisors (86319824).

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

82566616 is a wasteful number, since it uses less digits than its factorization.

82566616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938274 (or 938270 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 82566616 is about 9086.6174124368. The cubic root of 82566616 is about 435.4465243579.

The spelling of 82566616 in words is "eighty-two million, five hundred sixty-six thousand, six hundred sixteen".