25833366672 has 40 divisors (see below), whose sum is σ = 67261694976. Its totient is φ = 8543316096.

The previous prime is 25833366661. The next prime is 25833366697. The reversal of 25833366672 is 27666333852.

It is a super-2 number, since 2×25833366672² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112783 + ... + 2124974.

Almost surely, 2^25833366672 is an apocalyptic number.

It is an amenable number.

25833366672 is an abundant number, since it is smaller than the sum of its proper divisors (41428328304).

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

25833366672 is a wasteful number, since it uses less digits than its factorization.

25833366672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237895 (or 4237889 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 51.

The spelling of 25833366672 in words is "twenty-five billion, eight hundred thirty-three million, three hundred sixty-six thousand, six hundred seventy-two".