10646321625 has 96 divisors (see below), whose sum is σ = 19841627520. Its totient is φ = 5488560000.

The previous prime is 10646321617. The next prime is 10646321633. The reversal of 10646321625 is 52612364601.

10646321625 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 6 + 3 + 21 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (10646321617) and next prime (10646321633).

It is not a de Polignac number, because 10646321625 - 2³ = 10646321617 is a prime.

It is a super-2 number, since 2×10646321625² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10646321625.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4884786 + ... + 4886964.

It is an arithmetic number, because the mean of its divisors is an integer number (206683620).

Almost surely, 2^10646321625 is an apocalyptic number.

10646321625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10646321625 is a deficient number, since it is larger than the sum of its proper divisors (9195305895).

10646321625 is a wasteful number, since it uses less digits than its factorization.

10646321625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 10646321625 in words is "ten billion, six hundred forty-six million, three hundred twenty-one thousand, six hundred twenty-five".