663285772 has 6 divisors (see below), whose sum is σ = 1160750108. Its totient is φ = 331642884.

The previous prime is 663285751. The next prime is 663285773. The reversal of 663285772 is 277582366.

It is not an unprimeable number, because it can be changed into a prime (663285773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82910718 + ... + 82910725.

Almost surely, 2^663285772 is an apocalyptic number.

It is an amenable number.

663285772 is a deficient number, since it is larger than the sum of its proper divisors (497464336).

663285772 is a wasteful number, since it uses less digits than its factorization.

663285772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165821447 (or 165821445 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 663285772 is about 25754.3350137409. The cubic root of 663285772 is about 872.1012195579.

The spelling of 663285772 in words is "six hundred sixty-three million, two hundred eighty-five thousand, seven hundred seventy-two".