663143614651244 has 6 divisors (see below), whose sum is σ = 1160501325639684. Its totient is φ = 331571807325620.

The previous prime is 663143614651181. The next prime is 663143614651267. The reversal of 663143614651244 is 442156416341366.

It is a self number, because there is not a number n which added to its sum of digits gives 663143614651244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82892951831402 + ... + 82892951831409.

It is an arithmetic number, because the mean of its divisors is an integer number (193416887606614).

Almost surely, 2^{663143614651244} is an apocalyptic number.

It is an amenable number.

663143614651244 is a deficient number, since it is larger than the sum of its proper divisors (497357710988440).

663143614651244 is a wasteful number, since it uses less digits than its factorization.

663143614651244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165785903662815 (or 165785903662813 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 56.

The spelling of 663143614651244 in words is "six hundred sixty-three trillion, one hundred forty-three billion, six hundred fourteen million, six hundred fifty-one thousand, two hundred forty-four".