91675001685 has 8 divisors (see below), whose sum is σ = 146680002720. Its totient is φ = 48893334224.

The previous prime is 91675001657. The next prime is 91675001687. The reversal of 91675001685 is 58610057619.

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 91675001685 - 2²⁵ = 91641447253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91675001687) 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, 3055833375 + ... + 3055833404.

It is an arithmetic number, because the mean of its divisors is an integer number (18335000340).

Almost surely, 2^91675001685 is an apocalyptic number.

It is an amenable number.

91675001685 is a deficient number, since it is larger than the sum of its proper divisors (55005001035).

91675001685 is a wasteful number, since it uses less digits than its factorization.

91675001685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111666787.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 91675001685 in words is "ninety-one billion, six hundred seventy-five million, one thousand, six hundred eighty-five".