16364244238169 has 2 divisors, whose sum is σ = 16364244238170. Its totient is φ = 16364244238168.

The previous prime is 16364244238157. The next prime is 16364244238193. The reversal of 16364244238169 is 96183244246361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16324937210569 + 39307027600 = 4040413^2 + 198260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16364244238169 is a prime.

It is a super-2 number, since 2×16364244238169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16364244238109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8182122119084 + 8182122119085.

It is an arithmetic number, because the mean of its divisors is an integer number (8182122119085).

Almost surely, 2^{16364244238169} is an apocalyptic number.

It is an amenable number.

16364244238169 is a deficient number, since it is larger than the sum of its proper divisors (1).

16364244238169 is an equidigital number, since it uses as much as digits as its factorization.

16364244238169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 59.

The spelling of 16364244238169 in words is "sixteen trillion, three hundred sixty-four billion, two hundred forty-four million, two hundred thirty-eight thousand, one hundred sixty-nine".