82166300 has 18 divisors (see below), whose sum is σ = 178301088. Its totient is φ = 32866480.

The previous prime is 82166297. The next prime is 82166303. The reversal of 82166300 is 366128.

It is an interprime number because it is at equal distance from previous prime (82166297) and next prime (82166303).

It is a self number, because there is not a number n which added to its sum of digits gives 82166300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82166303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410732 + ... + 410931.

It is an arithmetic number, because the mean of its divisors is an integer number (9905616).

Almost surely, 2^82166300 is an apocalyptic number.

It is an amenable number.

82166300 is an abundant number, since it is smaller than the sum of its proper divisors (96134788).

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

82166300 is a wasteful number, since it uses less digits than its factorization.

82166300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821677 (or 821670 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 82166300 is about 9064.5628686661. The cubic root of 82166300 is about 434.7416442710.

The spelling of 82166300 in words is "eighty-two million, one hundred sixty-six thousand, three hundred".