25026066066 has 8 divisors (see below), whose sum is σ = 50052132144. Its totient is φ = 8342022020.

The previous prime is 25026066053. The next prime is 25026066071. The reversal of 25026066066 is 66066062052.

It is a sphenic number, since it is the product of 3 distinct primes.

25026066066 is an admirable 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, 2085505500 + ... + 2085505511.

It is an arithmetic number, because the mean of its divisors is an integer number (6256516518).

Almost surely, 2^25026066066 is an apocalyptic number.

25026066066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25026066066 is a wasteful number, since it uses less digits than its factorization.

25026066066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171011016.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 25026066066 in words is "twenty-five billion, twenty-six million, sixty-six thousand, sixty-six".