164680598238 has 128 divisors (see below), whose sum is σ = 381625800192. Its totient is φ = 46923411456.

The previous prime is 164680598123. The next prime is 164680598249. The reversal of 164680598238 is 832895086461.

164680598238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45202845 + ... + 45206487.

It is an arithmetic number, because the mean of its divisors is an integer number (2981451564).

Almost surely, 2^164680598238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164680598238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190812900096).

164680598238 is an abundant number, since it is smaller than the sum of its proper divisors (216945201954).

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

164680598238 is a wasteful number, since it uses less digits than its factorization.

164680598238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 164680598238 in words is "one hundred sixty-four billion, six hundred eighty million, five hundred ninety-eight thousand, two hundred thirty-eight".