164199968188 has 6 divisors (see below), whose sum is σ = 287349944336. Its totient is φ = 82099984092.

The previous prime is 164199968183. The next prime is 164199968197. The reversal of 164199968188 is 881869991461.

164199968188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164199968183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20524996020 + ... + 20524996027.

Almost surely, 2^164199968188 is an apocalyptic number.

It is an amenable number.

164199968188 is a deficient number, since it is larger than the sum of its proper divisors (123149976148).

164199968188 is a wasteful number, since it uses less digits than its factorization.

164199968188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41049992051 (or 41049992049 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 70.

The spelling of 164199968188 in words is "one hundred sixty-four billion, one hundred ninety-nine million, nine hundred sixty-eight thousand, one hundred eighty-eight".