25030172168 has 16 divisors (see below), whose sum is σ = 47059457280. Its totient is φ = 12480983568.

The previous prime is 25030172149. The next prime is 25030172171. The reversal of 25030172168 is 86127103052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259696 + ... + 4265567.

It is an arithmetic number, because the mean of its divisors is an integer number (2941216080).

Almost surely, 2^25030172168 is an apocalyptic number.

It is an amenable number.

25030172168 is a deficient number, since it is larger than the sum of its proper divisors (22029285112).

25030172168 is a wasteful number, since it uses less digits than its factorization.

25030172168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525636 (or 8525632 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 25030172168 in words is "twenty-five billion, thirty million, one hundred seventy-two thousand, one hundred sixty-eight".