25166719098 has 48 divisors (see below), whose sum is σ = 54722992896. Its totient is φ = 8358940800.

The previous prime is 25166719093. The next prime is 25166719133. The reversal of 25166719098 is 89091766152.

It is not an unprimeable number, because it can be changed into a prime (25166719093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11742615 + ... + 11744757.

It is an arithmetic number, because the mean of its divisors is an integer number (1140062352).

Almost surely, 2^25166719098 is an apocalyptic number.

25166719098 is an abundant number, since it is smaller than the sum of its proper divisors (29556273798).

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

25166719098 is a wasteful number, since it uses less digits than its factorization.

25166719098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 25166719098 in words is "twenty-five billion, one hundred sixty-six million, seven hundred nineteen thousand, ninety-eight".