252560657677266 has 48 divisors (see below), whose sum is σ = 556626761964000. Its totient is φ = 82739588802624.

The previous prime is 252560657677253. The next prime is 252560657677271. The reversal of 252560657677266 is 662776756065252.

252560657677266 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 606 + 5 + 7 + 6 + 7 + 7 + 2 + 6 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 252560657677194 and 252560657677203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25000816 + ... + 33617883.

It is an arithmetic number, because the mean of its divisors is an integer number (11596390874250).

Almost surely, 2^{252560657677266} is an apocalyptic number.

252560657677266 is an abundant number, since it is smaller than the sum of its proper divisors (304066104286734).

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

252560657677266 is a wasteful number, since it uses less digits than its factorization.

252560657677266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58622823 (or 58622820 counting only the distinct ones).

The product of its (nonzero) digits is 2667168000, while the sum is 72.

The spelling of 252560657677266 in words is "two hundred fifty-two trillion, five hundred sixty billion, six hundred fifty-seven million, six hundred seventy-seven thousand, two hundred sixty-six".