82165004 has 48 divisors (see below), whose sum is σ = 156145920. Its totient is φ = 37739520.

The previous prime is 82165003. The next prime is 82165021. The reversal of 82165004 is 40056128.

It is not an unprimeable number, because it can be changed into a prime (82165003) 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, 262352 + ... + 262664.

It is an arithmetic number, because the mean of its divisors is an integer number (3253040).

Almost surely, 2^82165004 is an apocalyptic number.

It is an amenable number.

82165004 is a deficient number, since it is larger than the sum of its proper divisors (73980916).

82165004 is a wasteful number, since it uses less digits than its factorization.

82165004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82165004 is about 9064.4913812083. The cubic root of 82165004 is about 434.7393585483.

The spelling of 82165004 in words is "eighty-two million, one hundred sixty-five thousand, four".