663560372 has 12 divisors (see below), whose sum is σ = 1162551936. Its totient is φ = 331402680.

The previous prime is 663560369. The next prime is 663560377. The reversal of 663560372 is 273065366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663560377) 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, 90404 + ... + 97467.

It is an arithmetic number, because the mean of its divisors is an integer number (96879328).

Almost surely, 2^663560372 is an apocalyptic number.

It is an amenable number.

663560372 is a deficient number, since it is larger than the sum of its proper divisors (498991564).

663560372 is a wasteful number, since it uses less digits than its factorization.

663560372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188758 (or 188756 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 663560372 is about 25759.6656034196. The cubic root of 663560372 is about 872.2215527861.

The spelling of 663560372 in words is "six hundred sixty-three million, five hundred sixty thousand, three hundred seventy-two".