6650567525 has 24 divisors (see below), whose sum is σ = 9432949824. Its totient is φ = 4556448000.

The previous prime is 6650567491. The next prime is 6650567537. The reversal of 6650567525 is 5257650566.

It is not a de Polignac number, because 6650567525 - 2⁸ = 6650567269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6650567525.

It is a congruent number.

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, 194354 + ... + 225996.

It is an arithmetic number, because the mean of its divisors is an integer number (393039576).

Almost surely, 2^6650567525 is an apocalyptic number.

It is an amenable number.

6650567525 is a deficient number, since it is larger than the sum of its proper divisors (2782382299).

6650567525 is a wasteful number, since it uses less digits than its factorization.

6650567525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32861 (or 32856 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 47.

The square root of 6650567525 is about 81551.0117962984. The cubic root of 6650567525 is about 1880.5558493894. Note that the first 3 decimals are identical.

The spelling of 6650567525 in words is "six billion, six hundred fifty million, five hundred sixty-seven thousand, five hundred twenty-five".