164138244348 has 96 divisors (see below), whose sum is σ = 436824541440. Its totient is φ = 47520967680.

The previous prime is 164138244299. The next prime is 164138244401. The reversal of 164138244348 is 843442831461.

It is a junction number, because it is equal to n+sod(n) for n = 164138244297 and 164138244306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17421583 + ... + 17431001.

It is an arithmetic number, because the mean of its divisors is an integer number (4550255640).

Almost surely, 2^164138244348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164138244348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218412270720).

164138244348 is an abundant number, since it is smaller than the sum of its proper divisors (272686297092).

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

164138244348 is a wasteful number, since it uses less digits than its factorization.

164138244348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027 (or 16025 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 48.

The spelling of 164138244348 in words is "one hundred sixty-four billion, one hundred thirty-eight million, two hundred forty-four thousand, three hundred forty-eight".