91650682275 has 12 divisors (see below), whose sum is σ = 151529128152. Its totient is φ = 48880363840.

The previous prime is 91650682271. The next prime is 91650682297. The reversal of 91650682275 is 57228605619.

It is not a de Polignac number, because 91650682275 - 2² = 91650682271 is a prime.

It is a super-2 number, since 2×91650682275² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91650682271) 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, 611004474 + ... + 611004623.

It is an arithmetic number, because the mean of its divisors is an integer number (12627427346).

Almost surely, 2^91650682275 is an apocalyptic number.

91650682275 is a deficient number, since it is larger than the sum of its proper divisors (59878445877).

91650682275 is a wasteful number, since it uses less digits than its factorization.

91650682275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222009110 (or 1222009105 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 91650682275 in words is "ninety-one billion, six hundred fifty million, six hundred eighty-two thousand, two hundred seventy-five".