663611140 has 24 divisors (see below), whose sum is σ = 1394124480. Its totient is φ = 265341408.

The previous prime is 663611129. The next prime is 663611177. The reversal of 663611140 is 41116366.

663611140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 663611099 and 663611108.

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, 66519 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (58088520).

Almost surely, 2^663611140 is an apocalyptic number.

It is an amenable number.

663611140 is an abundant number, since it is smaller than the sum of its proper divisors (730513340).

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

663611140 is a wasteful number, since it uses less digits than its factorization.

663611140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891 (or 12889 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 663611140 is about 25760.6510010908. The cubic root of 663611140 is about 872.2437963359.

The spelling of 663611140 in words is "six hundred sixty-three million, six hundred eleven thousand, one hundred forty".