6651136625 has 32 divisors (see below), whose sum is σ = 9519164928. Its totient is φ = 4545038400.

The previous prime is 6651136589. The next prime is 6651136633. The reversal of 6651136625 is 5266311566.

It is not a de Polignac number, because 6651136625 - 2²⁶ = 6584027761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243404 + ... + 269346.

It is an arithmetic number, because the mean of its divisors is an integer number (297473904).

Almost surely, 2^6651136625 is an apocalyptic number.

It is an amenable number.

6651136625 is a deficient number, since it is larger than the sum of its proper divisors (2868028303).

6651136625 is a wasteful number, since it uses less digits than its factorization.

6651136625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26258 (or 26248 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 6651136625 is about 81554.5009487521. The cubic root of 6651136625 is about 1880.6094886116.

The spelling of 6651136625 in words is "six billion, six hundred fifty-one million, one hundred thirty-six thousand, six hundred twenty-five".