253159664 has 10 divisors (see below), whose sum is σ = 490496880. Its totient is φ = 126579824.

The previous prime is 253159657. The next prime is 253159679. The reversal of 253159664 is 466951352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7911224 + ... + 7911255.

It is an arithmetic number, because the mean of its divisors is an integer number (49049688).

Almost surely, 2^253159664 is an apocalyptic number.

It is an amenable number.

253159664 is a deficient number, since it is larger than the sum of its proper divisors (237337216).

253159664 is a wasteful number, since it uses less digits than its factorization.

253159664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822487 (or 15822481 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 253159664 is about 15910.9919238242. The cubic root of 253159664 is about 632.6033734607.

The spelling of 253159664 in words is "two hundred fifty-three million, one hundred fifty-nine thousand, six hundred sixty-four".