253666468 has 48 divisors (see below), whose sum is σ = 493125696. Its totient is φ = 113218560.

The previous prime is 253666463. The next prime is 253666493. The reversal of 253666468 is 864666352.

It is a happy number.

253666468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253666463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810280 + ... + 810592.

It is an arithmetic number, because the mean of its divisors is an integer number (10273452).

Almost surely, 2^253666468 is an apocalyptic number.

It is an amenable number.

253666468 is a deficient number, since it is larger than the sum of its proper divisors (239459228).

253666468 is a wasteful number, since it uses less digits than its factorization.

253666468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 253666468 is about 15926.9101837111. The cubic root of 253666468 is about 633.0252313648.

The spelling of 253666468 in words is "two hundred fifty-three million, six hundred sixty-six thousand, four hundred sixty-eight".