16677773272443 has 4 divisors (see below), whose sum is σ = 22237031029928. Its totient is φ = 11118515514960.

The previous prime is 16677773272423. The next prime is 16677773272451. The reversal of 16677773272443 is 34427237777661.

It is a happy number.

16677773272443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16677773272443 - 2⁵ = 16677773272411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16677773272423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779628878738 + ... + 2779628878743.

It is an arithmetic number, because the mean of its divisors is an integer number (5559257757482).

Almost surely, 2^{16677773272443} is an apocalyptic number.

16677773272443 is a deficient number, since it is larger than the sum of its proper divisors (5559257757485).

16677773272443 is an equidigital number, since it uses as much as digits as its factorization.

16677773272443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559257757484.

The product of its digits is 348509952, while the sum is 66.

The spelling of 16677773272443 in words is "sixteen trillion, six hundred seventy-seven billion, seven hundred seventy-three million, two hundred seventy-two thousand, four hundred forty-three".