25880036066 has 16 divisors (see below), whose sum is σ = 39361974624. Its totient is φ = 12759469344.

The previous prime is 25880036027. The next prime is 25880036069. The reversal of 25880036066 is 66063008852.

It is not an unprimeable number, because it can be changed into a prime (25880036069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604625 + ... + 646011.

It is an arithmetic number, because the mean of its divisors is an integer number (2460123414).

Almost surely, 2^25880036066 is an apocalyptic number.

25880036066 is a deficient number, since it is larger than the sum of its proper divisors (13481938558).

25880036066 is a wasteful number, since it uses less digits than its factorization.

25880036066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45745.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 25880036066 in words is "twenty-five billion, eight hundred eighty million, thirty-six thousand, sixty-six".