663048356694 has 16 divisors (see below), whose sum is σ = 1342073783232. Its totient is φ = 218353273928.

The previous prime is 663048356671. The next prime is 663048356767. The reversal of 663048356694 is 496653840366.

It is a super-2 number, since 2×663048356694² (a number of 24 digits) contains 22 as substring.

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, 665710704 + ... + 665711699.

It is an arithmetic number, because the mean of its divisors is an integer number (83879611452).

Almost surely, 2^663048356694 is an apocalyptic number.

663048356694 is an abundant number, since it is smaller than the sum of its proper divisors (679025426538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663048356694 is a wasteful number, since it uses less digits than its factorization.

663048356694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331422491.

The product of its (nonzero) digits is 67184640, while the sum is 60.

The spelling of 663048356694 in words is "six hundred sixty-three billion, forty-eight million, three hundred fifty-six thousand, six hundred ninety-four".