253663366 has 32 divisors (see below), whose sum is σ = 434439936. Its totient is φ = 109956000.

The previous prime is 253663363. The next prime is 253663429. The reversal of 253663366 is 663366352.

253663366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253663363) 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, 247936 + ... + 248956.

It is an arithmetic number, because the mean of its divisors is an integer number (13576248).

Almost surely, 2^253663366 is an apocalyptic number.

253663366 is a deficient number, since it is larger than the sum of its proper divisors (180776570).

253663366 is a wasteful number, since it uses less digits than its factorization.

253663366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its digits is 349920, while the sum is 40.

The square root of 253663366 is about 15926.8128010597. The cubic root of 253663366 is about 633.0226510050.

The spelling of 253663366 in words is "two hundred fifty-three million, six hundred sixty-three thousand, three hundred sixty-six".