25625895066 has 24 divisors (see below), whose sum is σ = 57437352180. Its totient is φ = 8247414336.

The previous prime is 25625895041. The next prime is 25625895067. The reversal of 25625895066 is 66059852652.

25625895066 is a `hidden beast` number, since 2 + 5 + 6 + 2 + 589 + 50 + 6 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25601600025 + 24295041 = 160005^2 + 4929^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25625895067) 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, 24545355 + ... + 24546398.

Almost surely, 2^25625895066 is an apocalyptic number.

25625895066 is an abundant number, since it is smaller than the sum of its proper divisors (31811457114).

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

25625895066 is a wasteful number, since it uses less digits than its factorization.

25625895066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49091790 (or 49091787 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 25625895066 in words is "twenty-five billion, six hundred twenty-five million, eight hundred ninety-five thousand, sixty-six".