2425644166 has 24 divisors (see below), whose sum is σ = 4128328512. Its totient is φ = 1066995600.

The previous prime is 2425644131. The next prime is 2425644211. The reversal of 2425644166 is 6614465242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154165 + ... + 169168.

It is an arithmetic number, because the mean of its divisors is an integer number (172013688).

Almost surely, 2^2425644166 is an apocalyptic number.

2425644166 is a deficient number, since it is larger than the sum of its proper divisors (1702684346).

2425644166 is a wasteful number, since it uses less digits than its factorization.

2425644166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323388 (or 323377 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 2425644166 is about 49250.8290894681. The cubic root of 2425644166 is about 1343.6176408271.

The spelling of 2425644166 in words is "two billion, four hundred twenty-five million, six hundred forty-four thousand, one hundred sixty-six".