25906012761168 has 60 divisors (see below), whose sum is σ = 72501373447828. Its totient is φ = 8635275855360.

The previous prime is 25906012761163. The next prime is 25906012761203. The reversal of 25906012761168 is 86116721060952.

It is a happy number.

25906012761168 is a `hidden beast` number, since 2 + 5 + 9 + 0 + 6 + 0 + 12 + 7 + 611 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4871608237584 + 21034404523584 = 2207172^2 + 4586328^2 .

It is a super-2 number, since 2×25906012761168² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25906012761163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22436646 + ... + 23563002.

Almost surely, 2^{25906012761168} is an apocalyptic number.

It is an amenable number.

25906012761168 is an abundant number, since it is smaller than the sum of its proper divisors (46595360686660).

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

25906012761168 is a wasteful number, since it uses less digits than its factorization.

25906012761168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286092 (or 1286083 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 25906012761168 in words is "twenty-five trillion, nine hundred six billion, twelve million, seven hundred sixty-one thousand, one hundred sixty-eight".