16386746743 has 4 divisors (see below), whose sum is σ = 17350673040. Its totient is φ = 15422820448.

The previous prime is 16386746737. The next prime is 16386746809. The reversal of 16386746743 is 34764768361.

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 16386746743 - 2⁵ = 16386746711 is a prime.

It is a super-2 number, since 2×16386746743² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386741743) 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, 481963123 + ... + 481963156.

It is an arithmetic number, because the mean of its divisors is an integer number (4337668260).

Almost surely, 2^16386746743 is an apocalyptic number.

16386746743 is a deficient number, since it is larger than the sum of its proper divisors (963926297).

16386746743 is an equidigital number, since it uses as much as digits as its factorization.

16386746743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963926296.

The product of its digits is 12192768, while the sum is 55.

The spelling of 16386746743 in words is "sixteen billion, three hundred eighty-six million, seven hundred forty-six thousand, seven hundred forty-three".