6663936090623 has 12 divisors (see below), whose sum is σ = 7771853508120. Its totient is φ = 5697261540432.

The previous prime is 6663936090589. The next prime is 6663936090631. The reversal of 6663936090623 is 3260906393666.

It is not a de Polignac number, because 6663936090623 - 2¹⁰ = 6663936089599 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 (6663936090653) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 174786461 + ... + 174824582.

It is an arithmetic number, because the mean of its divisors is an integer number (647654459010).

Almost surely, 2^{6663936090623} is an apocalyptic number.

6663936090623 is a deficient number, since it is larger than the sum of its proper divisors (1107917417497).

6663936090623 is a wasteful number, since it uses less digits than its factorization.

6663936090623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349611446 (or 349611439 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 59.

The spelling of 6663936090623 in words is "six trillion, six hundred sixty-three billion, nine hundred thirty-six million, ninety thousand, six hundred twenty-three".