16903664017 has 4 divisors (see below), whose sum is σ = 16906445296. Its totient is φ = 16900882740.

The previous prime is 16903664003. The next prime is 16903664027. The reversal of 16903664017 is 71046630961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16903664017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16903664027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381503 + ... + 1393684.

It is an arithmetic number, because the mean of its divisors is an integer number (4226611324).

Almost surely, 2^16903664017 is an apocalyptic number.

It is an amenable number.

16903664017 is a deficient number, since it is larger than the sum of its proper divisors (2781279).

16903664017 is an equidigital number, since it uses as much as digits as its factorization.

16903664017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781278.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 16903664017 in words is "sixteen billion, nine hundred three million, six hundred sixty-four thousand, seventeen".