25166993376 has 192 divisors, whose sum is σ = 78145191936. Its totient is φ = 6939993600.

The previous prime is 25166993363. The next prime is 25166993399. The reversal of 25166993376 is 67339966152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8977191 + ... + 8979993.

It is an arithmetic number, because the mean of its divisors is an integer number (407006208).

Almost surely, 2^25166993376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25166993376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39072595968).

25166993376 is an abundant number, since it is smaller than the sum of its proper divisors (52978198560).

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

25166993376 is a wasteful number, since it uses less digits than its factorization.

25166993376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3277 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 57.

The spelling of 25166993376 in words is "twenty-five billion, one hundred sixty-six million, nine hundred ninety-three thousand, three hundred seventy-six".