6662511025 has 24 divisors (see below), whose sum is σ = 8706942720. Its totient is φ = 5043320640.

The previous prime is 6662510989. The next prime is 6662511043. The reversal of 6662511025 is 5201152666.

It is not a de Polignac number, because 6662511025 - 2¹⁵ = 6662478257 is a prime.

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, 401799 + ... + 418051.

It is an arithmetic number, because the mean of its divisors is an integer number (362789280).

Almost surely, 2^6662511025 is an apocalyptic number.

It is an amenable number.

6662511025 is a deficient number, since it is larger than the sum of its proper divisors (2044431695).

6662511025 is a wasteful number, since it uses less digits than its factorization.

6662511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145 (or 17140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 6662511025 is about 81624.2061217137. The cubic root of 6662511025 is about 1881.6809156253.

The spelling of 6662511025 in words is "six billion, six hundred sixty-two million, five hundred eleven thousand, twenty-five".