10656316644225 has 24 divisors (see below), whose sum is σ = 20135364022080. Its totient is φ = 4871459037120.

The previous prime is 10656316644209. The next prime is 10656316644277. The reversal of 10656316644225 is 52244661365601.

It is not a de Polignac number, because 10656316644225 - 2⁴ = 10656316644209 is a prime.

It is a super-2 number, since 2×10656316644225² (a number of 27 digits) contains 22 as substring.

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, 10148872470 + ... + 10148873519.

It is an arithmetic number, because the mean of its divisors is an integer number (838973500920).

Almost surely, 2^{10656316644225} is an apocalyptic number.

10656316644225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10656316644225 is a deficient number, since it is larger than the sum of its proper divisors (9479047377855).

10656316644225 is a wasteful number, since it uses less digits than its factorization.

10656316644225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20297746009 (or 20297746004 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 10656316644225 in words is "ten trillion, six hundred fifty-six billion, three hundred sixteen million, six hundred forty-four thousand, two hundred twenty-five".