91697005146 has 16 divisors (see below), whose sum is σ = 183575062944. Its totient is φ = 30535492944.

The previous prime is 91697005133. The next prime is 91697005151. The reversal of 91697005146 is 64150079619.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91697005095 and 91697005104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7537276 + ... + 7549431.

It is an arithmetic number, because the mean of its divisors is an integer number (11473441434).

Almost surely, 2^91697005146 is an apocalyptic number.

91697005146 is an abundant number, since it is smaller than the sum of its proper divisors (91878057798).

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

91697005146 is a wasteful number, since it uses less digits than its factorization.

91697005146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087725.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 91697005146 in words is "ninety-one billion, six hundred ninety-seven million, five thousand, one hundred forty-six".