16738216773 has 4 divisors (see below), whose sum is σ = 22317622368. Its totient is φ = 11158811180.

The previous prime is 16738216771. The next prime is 16738216799. The reversal of 16738216773 is 37761283761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16738216773 - 2¹ = 16738216771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16738216771) 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, 2789702793 + ... + 2789702798.

It is an arithmetic number, because the mean of its divisors is an integer number (5579405592).

Almost surely, 2^16738216773 is an apocalyptic number.

It is an amenable number.

16738216773 is a deficient number, since it is larger than the sum of its proper divisors (5579405595).

16738216773 is an equidigital number, since it uses as much as digits as its factorization.

16738216773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579405594.

The product of its digits is 1778112, while the sum is 51.

The spelling of 16738216773 in words is "sixteen billion, seven hundred thirty-eight million, two hundred sixteen thousand, seven hundred seventy-three".