6664525105452 has 48 divisors (see below), whose sum is σ = 16465580080992. Its totient is φ = 2090795499520.

The previous prime is 6664525105421. The next prime is 6664525105543. The reversal of 6664525105452 is 2545015254666.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 6664525105395 and 6664525105404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13215052 + ... + 13710092.

It is an arithmetic number, because the mean of its divisors is an integer number (343032918354).

Almost surely, 2^{6664525105452} is an apocalyptic number.

It is an amenable number.

6664525105452 is an abundant number, since it is smaller than the sum of its proper divisors (9801054975540).

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

6664525105452 is a wasteful number, since it uses less digits than its factorization.

6664525105452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561058 (or 561056 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 6664525105452 in words is "six trillion, six hundred sixty-four billion, five hundred twenty-five million, one hundred five thousand, four hundred fifty-two".