16466434199 has 2 divisors, whose sum is σ = 16466434200. Its totient is φ = 16466434198.

The previous prime is 16466434139. The next prime is 16466434219. The reversal of 16466434199 is 99143466461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16466434199 - 2¹² = 16466430103 is a prime.

It is a super-2 number, since 2×16466434199² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16466434199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16466434109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8233217099 + 8233217100.

It is an arithmetic number, because the mean of its divisors is an integer number (8233217100).

Almost surely, 2^16466434199 is an apocalyptic number.

16466434199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16466434199 is an equidigital number, since it uses as much as digits as its factorization.

16466434199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 53.

The spelling of 16466434199 in words is "sixteen billion, four hundred sixty-six million, four hundred thirty-four thousand, one hundred ninety-nine".