91132822680 has 64 divisors (see below), whose sum is σ = 273821264640. Its totient is φ = 24264504192.

The previous prime is 91132822679. The next prime is 91132822681. The reversal of 91132822680 is 8622823119.

It is an interprime number because it is at equal distance from previous prime (91132822679) and next prime (91132822681).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91132822681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509254 + ... + 664533.

It is an arithmetic number, because the mean of its divisors is an integer number (4278457260).

Almost surely, 2^91132822680 is an apocalyptic number.

It is an amenable number.

91132822680 is an abundant number, since it is smaller than the sum of its proper divisors (182688441960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91132822680 is a wasteful number, since it uses less digits than its factorization.

91132822680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174448 (or 1174444 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 91132822680 in words is "ninety-one billion, one hundred thirty-two million, eight hundred twenty-two thousand, six hundred eighty".