104443617621 has 16 divisors (see below), whose sum is σ = 168514072704. Its totient is φ = 56171357184.

The previous prime is 104443617617. The next prime is 104443617659. The reversal of 104443617621 is 126716344401.

It is not a de Polignac number, because 104443617621 - 2² = 104443617617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104443617621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104443616621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146279220 + ... + 146279933.

It is an arithmetic number, because the mean of its divisors is an integer number (10532129544).

Almost surely, 2^104443617621 is an apocalyptic number.

It is an amenable number.

104443617621 is a deficient number, since it is larger than the sum of its proper divisors (64070455083).

104443617621 is a wasteful number, since it uses less digits than its factorization.

104443617621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292559180.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 104443617621 in words is "one hundred four billion, four hundred forty-three million, six hundred seventeen thousand, six hundred twenty-one".