16774464463 has 4 divisors (see below), whose sum is σ = 17058777480. Its totient is φ = 16490151448.

The previous prime is 16774464449. The next prime is 16774464479. The reversal of 16774464463 is 36446447761.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16774464463 - 2¹⁷ = 16774333391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16774464463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16774464433) 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, 142156420 + ... + 142156537.

It is an arithmetic number, because the mean of its divisors is an integer number (4264694370).

Almost surely, 2^16774464463 is an apocalyptic number.

16774464463 is a deficient number, since it is larger than the sum of its proper divisors (284313017).

16774464463 is an equidigital number, since it uses as much as digits as its factorization.

16774464463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284313016.

The product of its digits is 8128512, while the sum is 52.

The spelling of 16774464463 in words is "sixteen billion, seven hundred seventy-four million, four hundred sixty-four thousand, four hundred sixty-three".