663356412 has 24 divisors (see below), whose sum is σ = 1719813200. Its totient is φ = 221118768.

The previous prime is 663356389. The next prime is 663356413. The reversal of 663356412 is 214653366.

663356412 is a `hidden beast` number, since 6 + 6 + 3 + 3 + 5 + 641 + 2 = 666.

663356412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663356413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070987 + ... + 3071202.

Almost surely, 2^663356412 is an apocalyptic number.

It is an amenable number.

663356412 is an abundant number, since it is smaller than the sum of its proper divisors (1056456788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663356412 is a wasteful number, since it uses less digits than its factorization.

663356412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142202 (or 6142194 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 663356412 is about 25755.7063968356. The cubic root of 663356412 is about 872.1321780808.

The spelling of 663356412 in words is "six hundred sixty-three million, three hundred fifty-six thousand, four hundred twelve".