25453106664 has 32 divisors (see below), whose sum is σ = 63650509440. Its totient is φ = 8482003200.

The previous prime is 25453106641. The next prime is 25453106681. The reversal of 25453106664 is 46660135452.

It is a super-2 number, since 2×25453106664² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58897 + ... + 233184.

It is an arithmetic number, because the mean of its divisors is an integer number (1989078420).

Almost surely, 2^25453106664 is an apocalyptic number.

25453106664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25453106664 is an abundant number, since it is smaller than the sum of its proper divisors (38197402776).

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

25453106664 is a wasteful number, since it uses less digits than its factorization.

25453106664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295721 (or 295717 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 25453106664 in words is "twenty-five billion, four hundred fifty-three million, one hundred six thousand, six hundred sixty-four".