16773744146 has 4 divisors (see below), whose sum is σ = 25160616222. Its totient is φ = 8386872072.

The previous prime is 16773744133. The next prime is 16773744157. The reversal of 16773744146 is 64144737761.

16773744146 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 can be written as a sum of positive squares in only one way, i.e., 13582737025 + 3191007121 = 116545^2 + 56489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16773744094 and 16773744103.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4193436035 + ... + 4193436038.

Almost surely, 2^16773744146 is an apocalyptic number.

16773744146 is a deficient number, since it is larger than the sum of its proper divisors (8386872076).

16773744146 is an equidigital number, since it uses as much as digits as its factorization.

16773744146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386872075.

The product of its digits is 2370816, while the sum is 50.

The spelling of 16773744146 in words is "sixteen billion, seven hundred seventy-three million, seven hundred forty-four thousand, one hundred forty-six".