9170989164 has 36 divisors (see below), whose sum is σ = 23808772624. Its totient is φ = 2974374432.

The previous prime is 9170989159. The next prime is 9170989207. The reversal of 9170989164 is 4619890719.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9170989164.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3441232 + ... + 3443895.

Almost surely, 2^9170989164 is an apocalyptic number.

It is an amenable number.

9170989164 is an abundant number, since it is smaller than the sum of its proper divisors (14637783460).

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

9170989164 is a wasteful number, since it uses less digits than its factorization.

9170989164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885174 (or 6885169 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 9170989164 is about 95765.2816212640. The cubic root of 9170989164 is about 2093.1742980884.

The spelling of 9170989164 in words is "nine billion, one hundred seventy million, nine hundred eighty-nine thousand, one hundred sixty-four".