16440016607 has 6 divisors (see below), whose sum is σ = 19124101008. Its totient is φ = 14091442764.

The previous prime is 16440016573. The next prime is 16440016631. The reversal of 16440016607 is 70661004461.

It is not a de Polignac number, because 16440016607 - 2²⁶ = 16372907743 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 (16440016807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167755223 + ... + 167755320.

It is an arithmetic number, because the mean of its divisors is an integer number (3187350168).

Almost surely, 2^16440016607 is an apocalyptic number.

16440016607 is a deficient number, since it is larger than the sum of its proper divisors (2684084401).

16440016607 is an equidigital number, since it uses as much as digits as its factorization.

16440016607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335510557 (or 335510550 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 16440016607 in words is "sixteen billion, four hundred forty million, sixteen thousand, six hundred seven".