91610097000 has 128 divisors (see below), whose sum is σ = 291905303040. Its totient is φ = 23909548800.

The previous prime is 91610096993. The next prime is 91610097001. The reversal of 91610097000 is 79001619.

It is not an unprimeable number, because it can be changed into a prime (91610097001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183859 + ... + 465858.

It is an arithmetic number, because the mean of its divisors is an integer number (2280510180).

Almost surely, 2^91610097000 is an apocalyptic number.

It is an amenable number.

91610097000 is an abundant number, since it is smaller than the sum of its proper divisors (200295206040).

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

91610097000 is a wasteful number, since it uses less digits than its factorization.

91610097000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649788 (or 649774 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

Adding to 91610097000 its reverse (79001619), we get a palindrome (91689098619).

The spelling of 91610097000 in words is "ninety-one billion, six hundred ten million, ninety-seven thousand".