25813670016 has 64 divisors (see below), whose sum is σ = 68869853280. Its totient is φ = 8566622208.

The previous prime is 25813670011. The next prime is 25813670053. The reversal of 25813670016 is 61007631852.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (25813670011) 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, 60901 + ... + 235236.

Almost surely, 2^25813670016 is an apocalyptic number.

It is an amenable number.

25813670016 is an abundant number, since it is smaller than the sum of its proper divisors (43056183264).

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

25813670016 is a wasteful number, since it uses less digits than its factorization.

25813670016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296381 (or 296369 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 25813670016 in words is "twenty-five billion, eight hundred thirteen million, six hundred seventy thousand, sixteen".