83107672331621 has 32 divisors (see below), whose sum is σ = 96838302105600. Its totient is φ = 69854047099200.

The previous prime is 83107672331591. The next prime is 83107672331647. The reversal of 83107672331621 is 12613327670138.

It is a de Polignac number, because none of the positive numbers 2^k-83107672331621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83107672331621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83107672331221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440718071 + ... + 440906603.

It is an arithmetic number, because the mean of its divisors is an integer number (3026196940800).

Almost surely, 2^{83107672331621} is an apocalyptic number.

It is an amenable number.

83107672331621 is a deficient number, since it is larger than the sum of its proper divisors (13730629773979).

83107672331621 is a wasteful number, since it uses less digits than its factorization.

83107672331621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194049.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 83107672331621 in words is "eighty-three trillion, one hundred seven billion, six hundred seventy-two million, three hundred thirty-one thousand, six hundred twenty-one".