525397866672 has 80 divisors (see below), whose sum is σ = 1551253427712. Its totient is φ = 150106053120.

The previous prime is 525397866619. The next prime is 525397866689. The reversal of 525397866672 is 276668793525.

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, 12120397 + ... + 12163667.

Almost surely, 2^525397866672 is an apocalyptic number.

It is an amenable number.

525397866672 is an abundant number, since it is smaller than the sum of its proper divisors (1025855561040).

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

525397866672 is a wasteful number, since it uses less digits than its factorization.

525397866672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79426 (or 79420 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 66.

The spelling of 525397866672 in words is "five hundred twenty-five billion, three hundred ninety-seven million, eight hundred sixty-six thousand, six hundred seventy-two".