25997046891696 has 30 divisors (see below), whose sum is σ = 72755624287580. Its totient is φ = 8665682297184.

The previous prime is 25997046891689. The next prime is 25997046891733. The reversal of 25997046891696 is 69619864079952.

25997046891696 is a `hidden beast` number, since 2 + 5 + 9 + 9 + 7 + 0 + 468 + 91 + 69 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90267523786 + ... + 90267524073.

Almost surely, 2^{25997046891696} is an apocalyptic number.

It is an amenable number.

25997046891696 is an abundant number, since it is smaller than the sum of its proper divisors (46758577395884).

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

25997046891696 is a wasteful number, since it uses less digits than its factorization.

25997046891696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180535047873 (or 180535047864 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 81.

The spelling of 25997046891696 in words is "twenty-five trillion, nine hundred ninety-seven billion, forty-six million, eight hundred ninety-one thousand, six hundred ninety-six".