16445228611 has 16 divisors (see below), whose sum is σ = 19240824064. Its totient is φ = 13761516384.

The previous prime is 16445228549. The next prime is 16445228633. The reversal of 16445228611 is 11682254461.

It is not a de Polignac number, because 16445228611 - 2¹⁵ = 16445195843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16445228671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678280 + ... + 702106.

It is an arithmetic number, because the mean of its divisors is an integer number (1202551504).

Almost surely, 2^16445228611 is an apocalyptic number.

16445228611 is a deficient number, since it is larger than the sum of its proper divisors (2795595453).

16445228611 is a wasteful number, since it uses less digits than its factorization.

16445228611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170.

The product of its digits is 92160, while the sum is 40.

The spelling of 16445228611 in words is "sixteen billion, four hundred forty-five million, two hundred twenty-eight thousand, six hundred eleven".