663504550654142 has 16 divisors (see below), whose sum is σ = 996896704579440. Its totient is φ = 331205683572288.

The previous prime is 663504550654103. The next prime is 663504550654163. The reversal of 663504550654142 is 241456055405366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30001868 + ... + 47192384.

It is an arithmetic number, because the mean of its divisors is an integer number (62306044036215).

Almost surely, 2^{663504550654142} is an apocalyptic number.

663504550654142 is a deficient number, since it is larger than the sum of its proper divisors (333392153925298).

663504550654142 is a wasteful number, since it uses less digits than its factorization.

663504550654142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222315.

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 663504550654142 in words is "six hundred sixty-three trillion, five hundred four billion, five hundred fifty million, six hundred fifty-four thousand, one hundred forty-two".