663333416 has 16 divisors (see below), whose sum is σ = 1247144640. Its totient is φ = 330761520.

The previous prime is 663333413. The next prime is 663333431. The reversal of 663333416 is 614333366.

It is a super-2 number, since 2×663333416² = 880022441564458112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663333413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110030 + ... + 115901.

It is an arithmetic number, because the mean of its divisors is an integer number (77946540).

Almost surely, 2^663333416 is an apocalyptic number.

It is an amenable number.

663333416 is a deficient number, since it is larger than the sum of its proper divisors (583811224).

663333416 is a wasteful number, since it uses less digits than its factorization.

663333416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226304 (or 226300 counting only the distinct ones).

The product of its digits is 69984, while the sum is 35.

The square root of 663333416 is about 25755.2599676260. The cubic root of 663333416 is about 872.1221001484.

Subtracting from 663333416 its reverse (614333366), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 663333416 in words is "six hundred sixty-three million, three hundred thirty-three thousand, four hundred sixteen".