663600431159 has 4 divisors (see below), whose sum is σ = 666523781304. Its totient is φ = 660677081016.

The previous prime is 663600431147. The next prime is 663600431183. The reversal of 663600431159 is 951134006366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663600431159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663600401159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461674732 + ... + 1461675185.

It is an arithmetic number, because the mean of its divisors is an integer number (166630945326).

Almost surely, 2^663600431159 is an apocalyptic number.

663600431159 is a deficient number, since it is larger than the sum of its proper divisors (2923350145).

663600431159 is a wasteful number, since it uses less digits than its factorization.

663600431159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923350144.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 663600431159 in words is "six hundred sixty-three billion, six hundred million, four hundred thirty-one thousand, one hundred fifty-nine".