2208663768 has 32 divisors (see below), whose sum is σ = 5656336560. Its totient is φ = 718264320.

The previous prime is 2208663703. The next prime is 2208663823. The reversal of 2208663768 is 8673668022.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1121305 + ... + 1123272.

Almost surely, 2^2208663768 is an apocalyptic number.

It is an amenable number.

2208663768 is an abundant number, since it is smaller than the sum of its proper divisors (3447672792).

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

2208663768 is a wasteful number, since it uses less digits than its factorization.

2208663768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244627 (or 2244623 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2208663768 is about 46996.4229277080. The cubic root of 2208663768 is about 1302.2964867590.

The spelling of 2208663768 in words is "two billion, two hundred eight million, six hundred sixty-three thousand, seven hundred sixty-eight".