16368666219 has 10 divisors (see below), whose sum is σ = 24451958300. Its totient is φ = 10912444092.

The previous prime is 16368666203. The next prime is 16368666287. The reversal of 16368666219 is 91266686361.

It is not a de Polignac number, because 16368666219 - 2⁴ = 16368666203 is a prime.

It is a super-2 number, since 2×16368666219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16368666719) 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 9 ways as a sum of consecutive naturals, for example, 101041069 + ... + 101041230.

It is an arithmetic number, because the mean of its divisors is an integer number (2445195830).

Almost surely, 2^16368666219 is an apocalyptic number.

16368666219 is a deficient number, since it is larger than the sum of its proper divisors (8083292081).

16368666219 is an equidigital number, since it uses as much as digits as its factorization.

16368666219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202082311 (or 202082302 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 16368666219 in words is "sixteen billion, three hundred sixty-eight million, six hundred sixty-six thousand, two hundred nineteen".