9166666758425 has 24 divisors (see below), whose sum is σ = 12407439256992. Its totient is φ = 6662667200000.

The previous prime is 9166666758391. The next prime is 9166666758437. The reversal of 9166666758425 is 5248576666619.

9166666758425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9166666758425 - 2²⁰ = 9166665709849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9539576 + ... + 10456425.

It is an arithmetic number, because the mean of its divisors is an integer number (516976635708).

Almost surely, 2^{9166666758425} is an apocalyptic number.

It is an amenable number.

9166666758425 is a deficient number, since it is larger than the sum of its proper divisors (3240772498567).

9166666758425 is a wasteful number, since it uses less digits than its factorization.

9166666758425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997689 (or 19997684 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 71.

The spelling of 9166666758425 in words is "nine trillion, one hundred sixty-six billion, six hundred sixty-six million, seven hundred fifty-eight thousand, four hundred twenty-five".