16836144229 has 2 divisors, whose sum is σ = 16836144230. Its totient is φ = 16836144228.

The previous prime is 16836144211. The next prime is 16836144263. The reversal of 16836144229 is 92244163861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15575539204 + 1260605025 = 124802^2 + 35505^2 .

It is a cyclic number.

It is not a de Polignac number, because 16836144229 - 2¹¹ = 16836142181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16836144289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8418072114 + 8418072115.

It is an arithmetic number, because the mean of its divisors is an integer number (8418072115).

Almost surely, 2^16836144229 is an apocalyptic number.

It is an amenable number.

16836144229 is a deficient number, since it is larger than the sum of its proper divisors (1).

16836144229 is an equidigital number, since it uses as much as digits as its factorization.

16836144229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The spelling of 16836144229 in words is "sixteen billion, eight hundred thirty-six million, one hundred forty-four thousand, two hundred twenty-nine".