7656466625 has 8 divisors (see below), whose sum is σ = 9555270504. Its totient is φ = 6125173200.

The previous prime is 7656466603. The next prime is 7656466637. The reversal of 7656466625 is 5266646567.

It can be written as a sum of positive squares in 4 ways, for example, as 24522304 + 7631944321 = 4952^2 + 87361^2 .

It is not a de Polignac number, because 7656466625 - 2⁸ = 7656466369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30625742 + ... + 30625991.

It is an arithmetic number, because the mean of its divisors is an integer number (1194408813).

Almost surely, 2^7656466625 is an apocalyptic number.

It is an amenable number.

7656466625 is a deficient number, since it is larger than the sum of its proper divisors (1898803879).

7656466625 is an equidigital number, since it uses as much as digits as its factorization.

7656466625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61251748 (or 61251738 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The square root of 7656466625 is about 87501.2378483870. The cubic root of 7656466625 is about 1970.9523790541.

The spelling of 7656466625 in words is "seven billion, six hundred fifty-six million, four hundred sixty-six thousand, six hundred twenty-five".