252316159866 has 16 divisors (see below), whose sum is σ = 560702577600. Its totient is φ = 84105386604.

The previous prime is 252316159861. The next prime is 252316159871. The reversal of 252316159866 is 668951613252.

252316159866 is a `hidden beast` number, since 2 + 523 + 1 + 6 + 1 + 59 + 8 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (252316159861) and next prime (252316159871).

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 4672521479 = 252316159866 / (2 + 5 + 2 + 3 + 1 + 6 + 1 + 5 + 9 + 8 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (252316159861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336260686 + ... + 2336260793.

It is an arithmetic number, because the mean of its divisors is an integer number (35043911100).

Almost surely, 2^252316159866 is an apocalyptic number.

252316159866 is an abundant number, since it is smaller than the sum of its proper divisors (308386417734).

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

252316159866 is a wasteful number, since it uses less digits than its factorization.

252316159866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672521490 (or 4672521484 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 252316159866 in words is "two hundred fifty-two billion, three hundred sixteen million, one hundred fifty-nine thousand, eight hundred sixty-six".