253066568 has 16 divisors (see below), whose sum is σ = 474882480. Its totient is φ = 126431248.

The previous prime is 253066553. The next prime is 253066577. The reversal of 253066568 is 865660352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646 + ... + 22557.

It is an arithmetic number, because the mean of its divisors is an integer number (29680155).

Almost surely, 2^253066568 is an apocalyptic number.

It is an amenable number.

253066568 is a deficient number, since it is larger than the sum of its proper divisors (221815912).

253066568 is a wasteful number, since it uses less digits than its factorization.

253066568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25516 (or 25512 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 253066568 is about 15908.0661301115. The cubic root of 253066568 is about 632.5258202107.

The spelling of 253066568 in words is "two hundred fifty-three million, sixty-six thousand, five hundred sixty-eight".