16322614665 has 24 divisors (see below), whose sum is σ = 30380051520. Its totient is φ = 7461766368.

The previous prime is 16322614643. The next prime is 16322614681. The reversal of 16322614665 is 56641622361.

It is not a de Polignac number, because 16322614665 - 2²⁰ = 16321566089 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11103085 + ... + 11104554.

It is an arithmetic number, because the mean of its divisors is an integer number (1265835480).

Almost surely, 2^16322614665 is an apocalyptic number.

16322614665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16322614665 is a deficient number, since it is larger than the sum of its proper divisors (14057436855).

16322614665 is a wasteful number, since it uses less digits than its factorization.

16322614665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22207661 (or 22207654 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 16322614665 in words is "sixteen billion, three hundred twenty-two million, six hundred fourteen thousand, six hundred sixty-five".