663266090 has 32 divisors (see below), whose sum is σ = 1208338560. Its totient is φ = 262108224.

The previous prime is 663266089. The next prime is 663266129. The reversal of 663266090 is 90662366.

It is a super-2 number, since 2×663266090² = 879843812287776200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 508379 + ... + 509681.

It is an arithmetic number, because the mean of its divisors is an integer number (37760580).

Almost surely, 2^663266090 is an apocalyptic number.

663266090 is a deficient number, since it is larger than the sum of its proper divisors (545072470).

663266090 is a wasteful number, since it uses less digits than its factorization.

663266090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 663266090 is about 25753.9529004772. The cubic root of 663266090 is about 872.0925933786.

The spelling of 663266090 in words is "six hundred sixty-three million, two hundred sixty-six thousand, ninety".