9166746964 has 24 divisors (see below), whose sum is σ = 16205447720. Its totient is φ = 4536705024.

The previous prime is 9166746961. The next prime is 9166746977. The reversal of 9166746964 is 4696476619.

It can be written as a sum of positive squares in 4 ways, for example, as 4062787600 + 5103959364 = 63740^2 + 71442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9166746899 and 9166746908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9166746961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440212 + ... + 460564.

Almost surely, 2^9166746964 is an apocalyptic number.

It is an amenable number.

9166746964 is a deficient number, since it is larger than the sum of its proper divisors (7038700756).

9166746964 is a wasteful number, since it uses less digits than its factorization.

9166746964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21499 (or 21497 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 58.

The square root of 9166746964 is about 95743.1301138625. The cubic root of 9166746964 is about 2092.8515036276.

The spelling of 9166746964 in words is "nine billion, one hundred sixty-six million, seven hundred forty-six thousand, nine hundred sixty-four".