6626690125 has 16 divisors (see below), whose sum is σ = 9021939264. Its totient is φ = 4819410000.

The previous prime is 6626690099. The next prime is 6626690179. The reversal of 6626690125 is 5210966266.

It is not a de Polignac number, because 6626690125 - 2¹⁵ = 6626657357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2408331 + ... + 2411080.

It is an arithmetic number, because the mean of its divisors is an integer number (563871204).

Almost surely, 2^6626690125 is an apocalyptic number.

It is an amenable number.

6626690125 is a deficient number, since it is larger than the sum of its proper divisors (2395249139).

6626690125 is a wasteful number, since it uses less digits than its factorization.

6626690125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819437 (or 4819427 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 6626690125 is about 81404.4846737574. The cubic root of 6626690125 is about 1878.3025765487.

The spelling of 6626690125 in words is "six billion, six hundred twenty-six million, six hundred ninety thousand, one hundred twenty-five".