91514773660 has 48 divisors (see below), whose sum is σ = 203893956000. Its totient is φ = 34383513600.

The previous prime is 91514773639. The next prime is 91514773687. The reversal of 91514773660 is 6637741519.

It is a congruent number.

It is an unprimeable number.

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, 100041 + ... + 439360.

It is an arithmetic number, because the mean of its divisors is an integer number (4247790750).

Almost surely, 2^91514773660 is an apocalyptic number.

It is an amenable number.

91514773660 is an abundant number, since it is smaller than the sum of its proper divisors (112379182340).

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

91514773660 is a wasteful number, since it uses less digits than its factorization.

91514773660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539926 (or 539924 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 91514773660 in words is "ninety-one billion, five hundred fourteen million, seven hundred seventy-three thousand, six hundred sixty".