663350140 has 12 divisors (see below), whose sum is σ = 1393035336. Its totient is φ = 265340048.

The previous prime is 663350137. The next prime is 663350167. The reversal of 663350140 is 41053366.

It is a junction number, because it is equal to n+sod(n) for n = 663350099 and 663350108.

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, 16583734 + ... + 16583773.

It is an arithmetic number, because the mean of its divisors is an integer number (116086278).

Almost surely, 2^663350140 is an apocalyptic number.

It is an amenable number.

663350140 is an abundant number, since it is smaller than the sum of its proper divisors (729685196).

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

663350140 is a wasteful number, since it uses less digits than its factorization.

663350140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33167516 (or 33167514 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 663350140 is about 25755.5846371229. The cubic root of 663350140 is about 872.1294294175.

The spelling of 663350140 in words is "six hundred sixty-three million, three hundred fifty thousand, one hundred forty".