91422536916 has 48 divisors (see below), whose sum is σ = 217199808000. Its totient is φ = 29921076192.

The previous prime is 91422536897. The next prime is 91422536923. The reversal of 91422536916 is 61963522419.

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, 504235 + ... + 661133.

It is an arithmetic number, because the mean of its divisors is an integer number (4524996000).

Almost surely, 2^91422536916 is an apocalyptic number.

It is an amenable number.

91422536916 is an abundant number, since it is smaller than the sum of its proper divisors (125777271084).

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

91422536916 is a wasteful number, since it uses less digits than its factorization.

91422536916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157788 (or 157786 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 91422536916 in words is "ninety-one billion, four hundred twenty-two million, five hundred thirty-six thousand, nine hundred sixteen".