9166236572 has 12 divisors (see below), whose sum is σ = 16156317240. Its totient is φ = 4550145936.

The previous prime is 9166236491. The next prime is 9166236623. The reversal of 9166236572 is 2756326619.

It is a super-2 number, since 2×9166236572² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8242463 + ... + 8243574.

It is an arithmetic number, because the mean of its divisors is an integer number (1346359770).

Almost surely, 2^9166236572 is an apocalyptic number.

It is an amenable number.

9166236572 is a deficient number, since it is larger than the sum of its proper divisors (6990080668).

9166236572 is a wasteful number, since it uses less digits than its factorization.

9166236572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486180 (or 16486178 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 9166236572 is about 95740.4646531444. The cubic root of 9166236572 is about 2092.8126605318.

The spelling of 9166236572 in words is "nine billion, one hundred sixty-six million, two hundred thirty-six thousand, five hundred seventy-two".