17996456663 has 8 divisors (see below), whose sum is σ = 18240895200. Its totient is φ = 17753460768.

The previous prime is 17996456633. The next prime is 17996456701. The reversal of 17996456663 is 36665469971.

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 17996456663 - 2¹⁴ = 17996440279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17996456596 and 17996456605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17996456623) 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, 335531 + ... + 385452.

It is an arithmetic number, because the mean of its divisors is an integer number (2280111900).

Almost surely, 2^17996456663 is an apocalyptic number.

17996456663 is a deficient number, since it is larger than the sum of its proper divisors (244438537).

17996456663 is a wasteful number, since it uses less digits than its factorization.

17996456663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721321.

The product of its digits is 44089920, while the sum is 62.

The spelling of 17996456663 in words is "seventeen billion, nine hundred ninety-six million, four hundred fifty-six thousand, six hundred sixty-three".