16316643222 has 24 divisors (see below), whose sum is σ = 38566611720. Its totient is φ = 4944437280.

The previous prime is 16316643179. The next prime is 16316643227. The reversal of 16316643222 is 22234661361.

16316643222 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 6 + 643 + 2 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316643227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41203447 + ... + 41203842.

It is an arithmetic number, because the mean of its divisors is an integer number (1606942155).

Almost surely, 2^16316643222 is an apocalyptic number.

16316643222 is an abundant number, since it is smaller than the sum of its proper divisors (22249968498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16316643222 is a wasteful number, since it uses less digits than its factorization.

16316643222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82407308 (or 82407305 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 16316643222 in words is "sixteen billion, three hundred sixteen million, six hundred forty-three thousand, two hundred twenty-two".