25324672616 has 8 divisors (see below), whose sum is σ = 47483761170. Its totient is φ = 12662336304.

The previous prime is 25324672577. The next prime is 25324672621. The reversal of 25324672616 is 61627642352.

It can be written as a sum of positive squares in only one way, i.e., 22371184900 + 2953487716 = 149570^2 + 54346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582792031 + ... + 1582792046.

Almost surely, 2^25324672616 is an apocalyptic number.

It is an amenable number.

25324672616 is a deficient number, since it is larger than the sum of its proper divisors (22159088554).

25324672616 is a wasteful number, since it uses less digits than its factorization.

25324672616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165584083 (or 3165584079 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 25324672616 in words is "twenty-five billion, three hundred twenty-four million, six hundred seventy-two thousand, six hundred sixteen".