91164964602 has 32 divisors (see below), whose sum is σ = 186796471680. Its totient is φ = 29644052480.

The previous prime is 91164964591. The next prime is 91164964621. The reversal of 91164964602 is 20646946119.

It is a super-2 number, since 2×91164964602² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350883 + ... + 4371785.

It is an arithmetic number, because the mean of its divisors is an integer number (5837389740).

Almost surely, 2^91164964602 is an apocalyptic number.

91164964602 is an abundant number, since it is smaller than the sum of its proper divisors (95631507078).

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

91164964602 is a wasteful number, since it uses less digits than its factorization.

91164964602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38678.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 91164964602 in words is "ninety-one billion, one hundred sixty-four million, nine hundred sixty-four thousand, six hundred two".