16444511877 has 16 divisors (see below), whose sum is σ = 22473521280. Its totient is φ = 10691733312.

The previous prime is 16444511861. The next prime is 16444511891. The reversal of 16444511877 is 77811544461.

16444511877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16444511877 - 2⁴ = 16444511861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444511777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283102 + ... + 336207.

It is an arithmetic number, because the mean of its divisors is an integer number (1404595080).

Almost surely, 2^16444511877 is an apocalyptic number.

It is an amenable number.

16444511877 is a deficient number, since it is larger than the sum of its proper divisors (6029009403).

16444511877 is a wasteful number, since it uses less digits than its factorization.

16444511877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619532.

The product of its digits is 752640, while the sum is 48.

The spelling of 16444511877 in words is "sixteen billion, four hundred forty-four million, five hundred eleven thousand, eight hundred seventy-seven".