6642552466 has 32 divisors (see below), whose sum is σ = 11251261440. Its totient is φ = 2913872400.

The previous prime is 6642552451. The next prime is 6642552473.

6642552466 is nontrivially palindromic in base 10.

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, 237025 + ... + 263563.

It is an arithmetic number, because the mean of its divisors is an integer number (351601920).

Almost surely, 2^6642552466 is an apocalyptic number.

6642552466 is a deficient number, since it is larger than the sum of its proper divisors (4608708974).

6642552466 is a wasteful number, since it uses less digits than its factorization.

6642552466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26950.

The product of its digits is 2073600, while the sum is 46.

The square root of 6642552466 is about 81501.8555985077. The cubic root of 6642552466 is about 1879.8000830500.

The spelling of 6642552466 in words is "six billion, six hundred forty-two million, five hundred fifty-two thousand, four hundred sixty-six".