91675000091 has 8 divisors (see below), whose sum is σ = 92450502144. Its totient is φ = 90900645160.

The previous prime is 91675000073. The next prime is 91675000097. The reversal of 91675000091 is 19000057619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91675000091 - 2²⁶ = 91607891227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91675000097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125891 + ... + 446316.

It is an arithmetic number, because the mean of its divisors is an integer number (11556312768).

Almost surely, 2^91675000091 is an apocalyptic number.

91675000091 is a deficient number, since it is larger than the sum of its proper divisors (775502053).

91675000091 is a wasteful number, since it uses less digits than its factorization.

91675000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573561.

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 91675000091 in words is "ninety-one billion, six hundred seventy-five million, ninety-one", and thus it is an aban number.