253760066 has 32 divisors (see below), whose sum is σ = 441936000. Its totient is φ = 107039232.

The previous prime is 253760053. The next prime is 253760099. The reversal of 253760066 is 660067352.

253760066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272690 + ... + 273618.

It is an arithmetic number, because the mean of its divisors is an integer number (13810500).

Almost surely, 2^253760066 is an apocalyptic number.

253760066 is a deficient number, since it is larger than the sum of its proper divisors (188175934).

253760066 is a wasteful number, since it uses less digits than its factorization.

253760066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 253760066 is about 15929.8482729749. The cubic root of 253760066 is about 633.1030797960.

The spelling of 253760066 in words is "two hundred fifty-three million, seven hundred sixty thousand, sixty-six".