9164720007 has 6 divisors (see below), whose sum is σ = 13237928912. Its totient is φ = 6109813332.

The previous prime is 9164719969. The next prime is 9164720011. The reversal of 9164720007 is 7000274619.

It is a happy number.

9164720007 is a `hidden beast` number, since 9 + 1 + 647 + 2 + 0 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 9164720007 - 2¹⁵ = 9164687239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9164720017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509151103 + ... + 509151120.

Almost surely, 2^9164720007 is an apocalyptic number.

9164720007 is a deficient number, since it is larger than the sum of its proper divisors (4073208905).

9164720007 is a wasteful number, since it uses less digits than its factorization.

9164720007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018302229 (or 1018302226 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 9164720007 is about 95732.5441372995. The cubic root of 9164720007 is about 2092.6972346983.

The spelling of 9164720007 in words is "nine billion, one hundred sixty-four million, seven hundred twenty thousand, seven".