663141406 has 32 divisors (see below), whose sum is σ = 1078453440. Its totient is φ = 304651776.

The previous prime is 663141379. The next prime is 663141419. The reversal of 663141406 is 604141366.

It is a congruent 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, 411855 + ... + 413461.

It is an arithmetic number, because the mean of its divisors is an integer number (33701670).

Almost surely, 2^663141406 is an apocalyptic number.

663141406 is a deficient number, since it is larger than the sum of its proper divisors (415312034).

663141406 is a wasteful number, since it uses less digits than its factorization.

663141406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 663141406 is about 25751.5321097600. The cubic root of 663141406 is about 872.0379432119.

The spelling of 663141406 in words is "six hundred sixty-three million, one hundred forty-one thousand, four hundred six".