10307664225 has 36 divisors (see below), whose sum is σ = 18596987916. Its totient is φ = 5457277440.

The previous prime is 10307664209. The next prime is 10307664239. The reversal of 10307664225 is 52246670301.

10307664225 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 7 + 6 + 642 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 42732369 + 10264931856 = 6537^2 + 101316^2 .

It is not a de Polignac number, because 10307664225 - 2⁴ = 10307664209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10307664225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136372 + ... + 198021.

Almost surely, 2^10307664225 is an apocalyptic number.

10307664225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10307664225 is a deficient number, since it is larger than the sum of its proper divisors (8289323691).

10307664225 is a wasteful number, since it uses less digits than its factorization.

10307664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334546 (or 334538 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 10307664225 in words is "ten billion, three hundred seven million, six hundred sixty-four thousand, two hundred twenty-five".