663260696 has 16 divisors (see below), whose sum is σ = 1421273040. Its totient is φ = 284254560.

The previous prime is 663260687. The next prime is 663260743. The reversal of 663260696 is 696062366.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921915 + ... + 5922026.

It is an arithmetic number, because the mean of its divisors is an integer number (88829565).

Almost surely, 2^663260696 is an apocalyptic number.

It is an amenable number.

663260696 is an abundant number, since it is smaller than the sum of its proper divisors (758012344).

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

663260696 is a wasteful number, since it uses less digits than its factorization.

663260696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843954 (or 11843950 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 663260696 is about 25753.8481784762. The cubic root of 663260696 is about 872.0902292796.

The spelling of 663260696 in words is "six hundred sixty-three million, two hundred sixty thousand, six hundred ninety-six".