663412610 has 32 divisors (see below), whose sum is σ = 1366848000. Its totient is φ = 227103552.

The previous prime is 663412583. The next prime is 663412657. The reversal of 663412610 is 16214366.

It is a happy number.

It is a super-2 number, since 2×663412610² = 880232582214024200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40391 + ... + 54389.

It is an arithmetic number, because the mean of its divisors is an integer number (42714000).

Almost surely, 2^663412610 is an apocalyptic number.

663412610 is an abundant number, since it is smaller than the sum of its proper divisors (703435390).

663412610 is a wasteful number, since it uses less digits than its factorization.

663412610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14690.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 663412610 is about 25756.7973552614. The cubic root of 663412610 is about 872.1568057165.

Adding to 663412610 its reverse (16214366), we get a palindrome (679626976).

The spelling of 663412610 in words is "six hundred sixty-three million, four hundred twelve thousand, six hundred ten".