663881597359 has 8 divisors (see below), whose sum is σ = 669660460128. Its totient is φ = 658127067360.

The previous prime is 663881597341. The next prime is 663881597381. The reversal of 663881597359 is 953795188366.

663881597359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663881597359 - 2²⁵ = 663848042927 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 (663881597959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028387 + ... + 6137524.

It is an arithmetic number, because the mean of its divisors is an integer number (83707557516).

Almost surely, 2^663881597359 is an apocalyptic number.

663881597359 is a deficient number, since it is larger than the sum of its proper divisors (5778862769).

663881597359 is a wasteful number, since it uses less digits than its factorization.

663881597359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166385.

The product of its digits is 293932800, while the sum is 70.

The spelling of 663881597359 in words is "six hundred sixty-three billion, eight hundred eighty-one million, five hundred ninety-seven thousand, three hundred fifty-nine".