164828772186 has 16 divisors (see below), whose sum is σ = 355015817184. Its totient is φ = 50716545264.

The previous prime is 164828772181. The next prime is 164828772209. The reversal of 164828772186 is 681277828461.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164828772181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056594616 + ... + 1056594771.

It is an arithmetic number, because the mean of its divisors is an integer number (22188488574).

Almost surely, 2^164828772186 is an apocalyptic number.

164828772186 is an abundant number, since it is smaller than the sum of its proper divisors (190187044998).

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

164828772186 is a wasteful number, since it uses less digits than its factorization.

164828772186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113189405.

The product of its digits is 14450688, while the sum is 60.

The spelling of 164828772186 in words is "one hundred sixty-four billion, eight hundred twenty-eight million, seven hundred seventy-two thousand, one hundred eighty-six".