633997366 has 16 divisors (see below), whose sum is σ = 961185456. Its totient is φ = 313618176.

The previous prime is 633997361. The next prime is 633997373. The reversal of 633997366 is 663799336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633997361) 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, 80350 + ... + 87886.

It is an arithmetic number, because the mean of its divisors is an integer number (60074091).

Almost surely, 2^633997366 is an apocalyptic number.

633997366 is a deficient number, since it is larger than the sum of its proper divisors (327188090).

633997366 is a wasteful number, since it uses less digits than its factorization.

633997366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 3306744, while the sum is 52.

The square root of 633997366 is about 25179.3043192222. The cubic root of 633997366 is about 859.0711830868.

The spelling of 633997366 in words is "six hundred thirty-three million, nine hundred ninety-seven thousand, three hundred sixty-six".