253666747666352 has 40 divisors (see below), whose sum is σ = 492032532225360. Its totient is φ = 126690646613760.

The previous prime is 253666747666307. The next prime is 253666747666421.

253666747666352 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 253666747666352.

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, 111081683 + ... + 113342285.

It is an arithmetic number, because the mean of its divisors is an integer number (12300813305634).

Almost surely, 2^{253666747666352} is an apocalyptic number.

It is an amenable number.

253666747666352 is a deficient number, since it is larger than the sum of its proper divisors (238365784559008).

253666747666352 is a wasteful number, since it uses less digits than its factorization.

253666747666352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268501 (or 2268495 counting only the distinct ones).

The product of its digits is 8230118400, while the sum is 74.

The spelling of 253666747666352 in words is "two hundred fifty-three trillion, six hundred sixty-six billion, seven hundred forty-seven million, six hundred sixty-six thousand, three hundred fifty-two".