25416465164 has 12 divisors (see below), whose sum is σ = 44580135600. Its totient is φ = 12679283568.

The previous prime is 25416465149. The next prime is 25416465203. The reversal of 25416465164 is 46156461452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235279 + ... + 7238790.

It is an arithmetic number, because the mean of its divisors is an integer number (3715011300).

Almost surely, 2^25416465164 is an apocalyptic number.

It is an amenable number.

25416465164 is a deficient number, since it is larger than the sum of its proper divisors (19163670436).

25416465164 is a wasteful number, since it uses less digits than its factorization.

25416465164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474512 (or 14474510 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The spelling of 25416465164 in words is "twenty-five billion, four hundred sixteen million, four hundred sixty-five thousand, one hundred sixty-four".