16816730445311 has 4 divisors (see below), whose sum is σ = 17701821521400. Its totient is φ = 15931639369224.

The previous prime is 16816730445293. The next prime is 16816730445329. The reversal of 16816730445311 is 11354403761861.

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

It is an interprime number because it is at equal distance from previous prime (16816730445293) and next prime (16816730445329).

It is a cyclic number.

It is not a de Polignac number, because 16816730445311 - 2⁶ = 16816730445247 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 16816730445311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16816730445611) 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, 442545538016 + ... + 442545538053.

It is an arithmetic number, because the mean of its divisors is an integer number (4425455380350).

Almost surely, 2^{16816730445311} is an apocalyptic number.

16816730445311 is a deficient number, since it is larger than the sum of its proper divisors (885091076089).

16816730445311 is an equidigital number, since it uses as much as digits as its factorization.

16816730445311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885091076088.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 16816730445311 in words is "sixteen trillion, eight hundred sixteen billion, seven hundred thirty million, four hundred forty-five thousand, three hundred eleven".