131216672004 has 24 divisors (see below), whose sum is σ = 334006074528. Its totient is φ = 39762627840.

The previous prime is 131216671987. The next prime is 131216672023. The reversal of 131216672004 is 400276612131.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 7 ways as a sum of consecutive naturals, for example, 497032717 + ... + 497032980.

It is an arithmetic number, because the mean of its divisors is an integer number (13916919772).

Almost surely, 2^131216672004 is an apocalyptic number.

It is an amenable number.

131216672004 is an abundant number, since it is smaller than the sum of its proper divisors (202789402524).

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

131216672004 is a wasteful number, since it uses less digits than its factorization.

131216672004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994065715 (or 994065713 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 131216672004 in words is "one hundred thirty-one billion, two hundred sixteen million, six hundred seventy-two thousand, four".