91046168832 has 72 divisors (see below), whose sum is σ = 243402659584. Its totient is φ = 30212573184.

The previous prime is 91046168803. The next prime is 91046168833. The reversal of 91046168832 is 23886164019.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (91046168833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94543 + ... + 437070.

Almost surely, 2^91046168832 is an apocalyptic number.

It is an amenable number.

91046168832 is an abundant number, since it is smaller than the sum of its proper divisors (152356490752).

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

91046168832 is a wasteful number, since it uses less digits than its factorization.

91046168832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531855 (or 531841 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 91046168832 in words is "ninety-one billion, forty-six million, one hundred sixty-eight thousand, eight hundred thirty-two".