83791666751 has 12 divisors (see below), whose sum is σ = 93861717480. Its totient is φ = 74679040800.

The previous prime is 83791666733. The next prime is 83791666771. The reversal of 83791666751 is 15766619738.

It is not a de Polignac number, because 83791666751 - 2¹⁴ = 83791650367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83791666771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8543525 + ... + 8553326.

It is an arithmetic number, because the mean of its divisors is an integer number (7821809790).

Almost surely, 2^83791666751 is an apocalyptic number.

83791666751 is a deficient number, since it is larger than the sum of its proper divisors (10070050729).

83791666751 is a wasteful number, since it uses less digits than its factorization.

83791666751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096906 (or 17096893 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 59.

The spelling of 83791666751 in words is "eighty-three billion, seven hundred ninety-one million, six hundred sixty-six thousand, seven hundred fifty-one".