663416432016 has 80 divisors (see below), whose sum is σ = 1846384782144. Its totient is φ = 204047811072.

The previous prime is 663416432009. The next prime is 663416432027. The reversal of 663416432016 is 610234614366.

663416432016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1387675 + ... + 1803461.

Almost surely, 2^663416432016 is an apocalyptic number.

It is an amenable number.

663416432016 is an abundant number, since it is smaller than the sum of its proper divisors (1182968350128).

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

663416432016 is a wasteful number, since it uses less digits than its factorization.

663416432016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418368 (or 418362 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 663416432016 in words is "six hundred sixty-three billion, four hundred sixteen million, four hundred thirty-two thousand, sixteen".