253168 has 10 divisors (see below), whose sum is σ = 490544. Its totient is φ = 126576.

The previous prime is 253159. The next prime is 253229. The reversal of 253168 is 861352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

253168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7896 + ... + 7927.

2²⁵³¹⁶⁸ is an apocalyptic number.

It is an amenable number.

253168 is a deficient number, since it is larger than the sum of its proper divisors (237376).

253168 is a wasteful number, since it uses less digits than its factorization.

253168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15831 (or 15825 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 253168 is about 503.1580268663. The cubic root of 253168 is about 63.2610316805.

The spelling of 253168 in words is "two hundred fifty-three thousand, one hundred sixty-eight".