9774970164 has 30 divisors (see below), whose sum is σ = 25553703714. Its totient is φ = 3258323280.

The previous prime is 9774970157. The next prime is 9774970207. The reversal of 9774970164 is 4610794779.

9774970164 is a `hidden beast` number, since 97 + 7 + 497 + 0 + 1 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9570708900 + 204261264 = 97830^2 + 14292^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 9774970164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15084507 + ... + 15085154.

Almost surely, 2^9774970164 is an apocalyptic number.

It is an amenable number.

9774970164 is an abundant number, since it is smaller than the sum of its proper divisors (15778733550).

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

9774970164 is a wasteful number, since it uses less digits than its factorization.

9774970164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30169677 (or 30169666 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 9774970164 is about 98868.4487791732. The cubic root of 9774970164 is about 2138.1515295502.

The spelling of 9774970164 in words is "nine billion, seven hundred seventy-four million, nine hundred seventy thousand, one hundred sixty-four".