16200066413 has 4 divisors (see below), whose sum is σ = 16208773308. Its totient is φ = 16191359520.

The previous prime is 16200066403. The next prime is 16200066419. The reversal of 16200066413 is 31466000261.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1232501449 + 14967564964 = 35107^2 + 122342^2 .

It is a cyclic number.

It is not a de Polignac number, because 16200066413 - 2²⁰ = 16199017837 is a prime.

It is a super-2 number, since 2×16200066413² (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 (16200066419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350656 + ... + 4354377.

It is an arithmetic number, because the mean of its divisors is an integer number (4052193327).

Almost surely, 2^16200066413 is an apocalyptic number.

It is an amenable number.

16200066413 is a deficient number, since it is larger than the sum of its proper divisors (8706895).

16200066413 is an equidigital number, since it uses as much as digits as its factorization.

16200066413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706894.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 16200066413 its reverse (31466000261), we get a palindrome (47666066674).

The spelling of 16200066413 in words is "sixteen billion, two hundred million, sixty-six thousand, four hundred thirteen".