16144671222 has 32 divisors (see below), whose sum is σ = 37765315200. Its totient is φ = 5098316904.

The previous prime is 16144671209. The next prime is 16144671239. The reversal of 16144671222 is 22217644161.

16144671222 is a `hidden beast` number, since 1 + 614 + 4 + 6 + 7 + 12 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7866748 + ... + 7868799.

It is an arithmetic number, because the mean of its divisors is an integer number (1180166100).

Almost surely, 2^16144671222 is an apocalyptic number.

16144671222 is an abundant number, since it is smaller than the sum of its proper divisors (21620643978).

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

16144671222 is a wasteful number, since it uses less digits than its factorization.

16144671222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15735577 (or 15735571 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 16144671222 in words is "sixteen billion, one hundred forty-four million, six hundred seventy-one thousand, two hundred twenty-two".