25290171133966 has 16 divisors (see below), whose sum is σ = 37982677025520. Its totient is φ = 12629280041280.

The previous prime is 25290171133919. The next prime is 25290171133987. The reversal of 25290171133966 is 66933117109252.

It is a super-2 number, since 2×25290171133966² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 41978800 + ... + 42576988.

It is an arithmetic number, because the mean of its divisors is an integer number (2373917314095).

Almost surely, 2^{25290171133966} is an apocalyptic number.

25290171133966 is a deficient number, since it is larger than the sum of its proper divisors (12692505891554).

25290171133966 is a wasteful number, since it uses less digits than its factorization.

25290171133966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624579.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 25290171133966 in words is "twenty-five trillion, two hundred ninety billion, one hundred seventy-one million, one hundred thirty-three thousand, nine hundred sixty-six".