663056760 has 32 divisors (see below), whose sum is σ = 1989170640. Its totient is φ = 176815104.

The previous prime is 663056753. The next prime is 663056773. The reversal of 663056760 is 67650366.

663056760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2762617 + ... + 2762856.

Almost surely, 2^663056760 is an apocalyptic number.

663056760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

663056760 is an abundant number, since it is smaller than the sum of its proper divisors (1326113880).

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

663056760 is a wasteful number, since it uses less digits than its factorization.

663056760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525487 (or 5525483 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 663056760 is about 25749.8885434481. Note that the first 3 decimals coincide. The cubic root of 663056760 is about 872.0008381722. Note that the first 3 decimals are identical.

The spelling of 663056760 in words is "six hundred sixty-three million, fifty-six thousand, seven hundred sixty".