91697005132 has 24 divisors (see below), whose sum is σ = 164859628640. Its totient is φ = 44595048960.

The previous prime is 91697005069. The next prime is 91697005133. The reversal of 91697005132 is 23150079619.

It is not an unprimeable number, because it can be changed into a prime (91697005133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371257 + ... + 566767.

Almost surely, 2^91697005132 is an apocalyptic number.

It is an amenable number.

91697005132 is a deficient number, since it is larger than the sum of its proper divisors (73162623508).

91697005132 is a wasteful number, since it uses less digits than its factorization.

91697005132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198721 (or 198719 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 91697005132 in words is "ninety-one billion, six hundred ninety-seven million, five thousand, one hundred thirty-two".