82164999 has 16 divisors (see below), whose sum is σ = 127567872. Its totient is φ = 46064928.

The previous prime is 82164991. The next prime is 82165003. The reversal of 82164999 is 99946128.

It is not a de Polignac number, because 82164999 - 2³ = 82164991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82164991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35799 + ... + 38024.

It is an arithmetic number, because the mean of its divisors is an integer number (7972992).

Almost surely, 2^82164999 is an apocalyptic number.

82164999 is a deficient number, since it is larger than the sum of its proper divisors (45402873).

82164999 is a wasteful number, since it uses less digits than its factorization.

82164999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886.

The product of its digits is 279936, while the sum is 48.

The square root of 82164999 is about 9064.4911054069. The cubic root of 82164999 is about 434.7393497298.

The spelling of 82164999 in words is "eighty-two million, one hundred sixty-four thousand, nine hundred ninety-nine".