25016563010664 has 48 divisors (see below), whose sum is σ = 70089508440900. Its totient is φ = 8051307634944.

The previous prime is 25016563010657. The next prime is 25016563010711. The reversal of 25016563010664 is 46601036561052.

25016563010664 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 6 + 5 + 630 + 1 + 0 + 6 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23567548948164 + 1449014062500 = 4854642^2 + 1203750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5990554189 + ... + 5990558364.

Almost surely, 2^{25016563010664} is an apocalyptic number.

25016563010664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25016563010664 is an abundant number, since it is smaller than the sum of its proper divisors (45072945430236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25016563010664 is a wasteful number, since it uses less digits than its factorization.

25016563010664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981112594 (or 11981112587 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 25016563010664 in words is "twenty-five trillion, sixteen billion, five hundred sixty-three million, ten thousand, six hundred sixty-four".