225126665764 has 48 divisors (see below), whose sum is σ = 528968958336. Its totient is φ = 80964633600.

The previous prime is 225126665711. The next prime is 225126665783. The reversal of 225126665764 is 467566621522.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 28108717 + ... + 28116724.

It is an arithmetic number, because the mean of its divisors is an integer number (11020186632).

Almost surely, 2^225126665764 is an apocalyptic number.

It is an amenable number.

225126665764 is an abundant number, since it is smaller than the sum of its proper divisors (303842292572).

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

225126665764 is a wasteful number, since it uses less digits than its factorization.

225126665764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56225476 (or 56225474 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 225126665764 in words is "two hundred twenty-five billion, one hundred twenty-six million, six hundred sixty-five thousand, seven hundred sixty-four".