16644014346115 has 64 divisors (see below), whose sum is σ = 21931468626816. Its totient is φ = 12052290281472.

The previous prime is 16644014346109. The next prime is 16644014346119. The reversal of 16644014346115 is 51164341044661.

It is a cyclic number.

It is not a de Polignac number, because 16644014346115 - 2⁹ = 16644014345603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16644014346119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 607498597 + ... + 607525993.

It is an arithmetic number, because the mean of its divisors is an integer number (342679197294).

Almost surely, 2^{16644014346115} is an apocalyptic number.

16644014346115 is a deficient number, since it is larger than the sum of its proper divisors (5287454280701).

16644014346115 is a wasteful number, since it uses less digits than its factorization.

16644014346115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28408.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 16644014346115 in words is "sixteen trillion, six hundred forty-four billion, fourteen million, three hundred forty-six thousand, one hundred fifteen".