8660645001 has 12 divisors (see below), whose sum is σ = 12523126980. Its totient is φ = 5767621920.

The previous prime is 8660644973. The next prime is 8660645023. The reversal of 8660645001 is 1005460668.

8660645001 is a `hidden beast` number, since 8 + 6 + 6 + 0 + 645 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4118558976 + 4542086025 = 64176^2 + 67395^2 .

It is not a de Polignac number, because 8660645001 - 2⁵ = 8660644969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8660645051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502846 + ... + 519783.

It is an arithmetic number, because the mean of its divisors is an integer number (1043593915).

Almost surely, 2^8660645001 is an apocalyptic number.

It is an amenable number.

8660645001 is a deficient number, since it is larger than the sum of its proper divisors (3862481979).

8660645001 is a wasteful number, since it uses less digits than its factorization.

8660645001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023576 (or 1023573 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8660645001 is about 93062.5864727604. The cubic root of 8660645001 is about 2053.6042088996.

The spelling of 8660645001 in words is "eight billion, six hundred sixty million, six hundred forty-five thousand, one".