665084082 has 16 divisors (see below), whose sum is σ = 1432488960. Its totient is φ = 204641232.

The previous prime is 665084059. The next prime is 665084099. The reversal of 665084082 is 280480566.

It is a super-2 number, since 2×665084082² = 884673672259565448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 665084082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263282 + ... + 4263437.

It is an arithmetic number, because the mean of its divisors is an integer number (89530560).

Almost surely, 2^665084082 is an apocalyptic number.

665084082 is an abundant number, since it is smaller than the sum of its proper divisors (767404878).

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

665084082 is a wasteful number, since it uses less digits than its factorization.

665084082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526737.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 665084082 is about 25789.2241449796. The cubic root of 665084082 is about 872.8886595027. Note that the first 3 decimals are identical.

The spelling of 665084082 in words is "six hundred sixty-five million, eighty-four thousand, eighty-two".