9617647164 has 24 divisors (see below), whose sum is σ = 23622291840. Its totient is φ = 3037151664.

The previous prime is 9617647121. The next prime is 9617647181. The reversal of 9617647164 is 4617467169.

It is a congruent number.

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, 21091104 + ... + 21091559.

It is an arithmetic number, because the mean of its divisors is an integer number (984262160).

Almost surely, 2^9617647164 is an apocalyptic number.

It is an amenable number.

9617647164 is an abundant number, since it is smaller than the sum of its proper divisors (14004644676).

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

9617647164 is a wasteful number, since it uses less digits than its factorization.

9617647164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42182689 (or 42182687 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 9617647164 is about 98069.6036700465. The cubic root of 9617647164 is about 2126.6186266253.

The spelling of 9617647164 in words is "nine billion, six hundred seventeen million, six hundred forty-seven thousand, one hundred sixty-four".