82176468906 has 32 divisors (see below), whose sum is σ = 191665238400. Its totient is φ = 23478990528.

The previous prime is 82176468863. The next prime is 82176468911. The reversal of 82176468906 is 60986467128.

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 15 ways as a sum of consecutive naturals, for example, 19963071 + ... + 19967186.

It is an arithmetic number, because the mean of its divisors is an integer number (5989538700).

Almost surely, 2^82176468906 is an apocalyptic number.

82176468906 is an abundant number, since it is smaller than the sum of its proper divisors (109488769494).

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

82176468906 is a wasteful number, since it uses less digits than its factorization.

82176468906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39930283 (or 39930269 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 82176468906 in words is "eighty-two billion, one hundred seventy-six million, four hundred sixty-eight thousand, nine hundred six".