25166272841664 has 28 divisors (see below), whose sum is σ = 66585763560744. Its totient is φ = 8388757613824.

The previous prime is 25166272841603. The next prime is 25166272841681. The reversal of 25166272841664 is 46614827266152.

It is a super-2 number, since 2×25166272841664² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25166272841598 and 25166272841607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65537168667 + ... + 65537169050.

Almost surely, 2^{25166272841664} is an apocalyptic number.

25166272841664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25166272841664 is an abundant number, since it is smaller than the sum of its proper divisors (41419490719080).

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

25166272841664 is a wasteful number, since it uses less digits than its factorization.

25166272841664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131074337732 (or 131074337722 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 60.

The spelling of 25166272841664 in words is "twenty-five trillion, one hundred sixty-six billion, two hundred seventy-two million, eight hundred forty-one thousand, six hundred sixty-four".