253334668 has 12 divisors (see below), whose sum is σ = 443517760. Its totient is φ = 126615312.

The previous prime is 253334519. The next prime is 253334677. The reversal of 253334668 is 866433352.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 253334668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771 + ... + 22522.

Almost surely, 2^253334668 is an apocalyptic number.

It is an amenable number.

253334668 is a deficient number, since it is larger than the sum of its proper divisors (190183092).

253334668 is a wasteful number, since it uses less digits than its factorization.

253334668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26016 (or 26014 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 253334668 is about 15916.4904423054. The cubic root of 253334668 is about 632.7491083943.

The spelling of 253334668 in words is "two hundred fifty-three million, three hundred thirty-four thousand, six hundred sixty-eight".