663460212 has 24 divisors (see below), whose sum is σ = 1564036096. Its totient is φ = 218873088.

The previous prime is 663460199. The next prime is 663460223. The reversal of 663460212 is 212064366.

It is a self number, because there is not a number n which added to its sum of digits gives 663460212.

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, 283828 + ... + 286155.

Almost surely, 2^663460212 is an apocalyptic number.

It is an amenable number.

663460212 is an abundant number, since it is smaller than the sum of its proper divisors (900575884).

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

663460212 is a wasteful number, since it uses less digits than its factorization.

663460212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570087 (or 570085 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 663460212 is about 25757.7214054349. The cubic root of 663460212 is about 872.1776652413.

The spelling of 663460212 in words is "six hundred sixty-three million, four hundred sixty thousand, two hundred twelve".