104697821645668 has 12 divisors (see below), whose sum is σ = 183223919773440. Its totient is φ = 52348130281832.

The previous prime is 104697821645629. The next prime is 104697821645707. The reversal of 104697821645668 is 866546128796401.

It is an interprime number because it is at equal distance from previous prime (104697821645629) and next prime (104697821645707).

It is a self number, because there is not a number n which added to its sum of digits gives 104697821645668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194833396 + ... + 195370027.

It is an arithmetic number, because the mean of its divisors is an integer number (15268659981120).

Almost surely, 2^{104697821645668} is an apocalyptic number.

It is an amenable number.

104697821645668 is a deficient number, since it is larger than the sum of its proper divisors (78526098127772).

104697821645668 is a wasteful number, since it uses less digits than its factorization.

104697821645668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390270506 (or 390270504 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 73.

The spelling of 104697821645668 in words is "one hundred four trillion, six hundred ninety-seven billion, eight hundred twenty-one million, six hundred forty-five thousand, six hundred sixty-eight".