6660252265 has 16 divisors (see below), whose sum is σ = 8642495232. Its totient is φ = 4908077824.

The previous prime is 6660252253. The next prime is 6660252283. The reversal of 6660252265 is 5622520666.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6660252265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829579 + ... + 837568.

It is an arithmetic number, because the mean of its divisors is an integer number (540155952).

Almost surely, 2^6660252265 is an apocalyptic number.

It is an amenable number.

6660252265 is a deficient number, since it is larger than the sum of its proper divisors (1982242967).

6660252265 is a wasteful number, since it uses less digits than its factorization.

6660252265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667216.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6660252265 is about 81610.3686120826. The cubic root of 6660252265 is about 1881.4682457588.

The spelling of 6660252265 in words is "six billion, six hundred sixty million, two hundred fifty-two thousand, two hundred sixty-five".