25453164870 has 64 divisors (see below), whose sum is σ = 77571555840. Its totient is φ = 5817865824.

The previous prime is 25453164857. The next prime is 25453164901. The reversal of 25453164870 is 7846135452.

25453164870 is a `hidden beast` number, since 2 + 5 + 4 + 531 + 6 + 48 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 6731752 + ... + 6735531.

It is an arithmetic number, because the mean of its divisors is an integer number (1212055560).

Almost surely, 2^25453164870 is an apocalyptic number.

25453164870 is an abundant number, since it is smaller than the sum of its proper divisors (52118390970).

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

25453164870 is a wasteful number, since it uses less digits than its factorization.

25453164870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13467306 (or 13467300 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 25453164870 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, eight hundred seventy".