104466686640 has 80 divisors (see below), whose sum is σ = 325718804448. Its totient is φ = 27696744448.

The previous prime is 104466686633. The next prime is 104466686651. The reversal of 104466686640 is 46686664401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216509 + ... + 1299548.

Almost surely, 2^104466686640 is an apocalyptic number.

104466686640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104466686640 is an abundant number, since it is smaller than the sum of its proper divisors (221252117808).

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

104466686640 is a wasteful number, since it uses less digits than its factorization.

104466686640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516246 (or 2516240 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 104466686640 in words is "one hundred four billion, four hundred sixty-six million, six hundred eighty-six thousand, six hundred forty".