16731161213 has 16 divisors (see below), whose sum is σ = 18173500800. Its totient is φ = 15311571264.

The previous prime is 16731161207. The next prime is 16731161231. The reversal of 16731161213 is 31216113761.

16731161213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16731161213 - 2¹² = 16731157117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16731161213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16731167213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720695 + ... + 743547.

It is an arithmetic number, because the mean of its divisors is an integer number (1135843800).

Almost surely, 2^16731161213 is an apocalyptic number.

16731161213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16731161213 is a deficient number, since it is larger than the sum of its proper divisors (1442339587).

16731161213 is a wasteful number, since it uses less digits than its factorization.

16731161213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23348.

The product of its digits is 4536, while the sum is 32.

Adding to 16731161213 its reverse (31216113761), we get a palindrome (47947274974).

The spelling of 16731161213 in words is "sixteen billion, seven hundred thirty-one million, one hundred sixty-one thousand, two hundred thirteen".