9134166978 has 24 divisors (see below), whose sum is σ = 19792941948. Its totient is φ = 3044376672.

The previous prime is 9134166947. The next prime is 9134167039. The reversal of 9134166978 is 8796614319.

It can be written as a sum of positive squares in 2 ways, for example, as 8492912649 + 641254329 = 92157^2 + 25323^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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, 171976 + ... + 218732.

Almost surely, 2^9134166978 is an apocalyptic number.

9134166978 is an abundant number, since it is smaller than the sum of its proper divisors (10658774970).

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

9134166978 is a wasteful number, since it uses less digits than its factorization.

9134166978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57618 (or 57615 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 9134166978 is about 95572.8359838715. The cubic root of 9134166978 is about 2090.3691249164.

The spelling of 9134166978 in words is "nine billion, one hundred thirty-four million, one hundred sixty-six thousand, nine hundred seventy-eight".