164121174 has 64 divisors (see below), whose sum is σ = 418176000. Its totient is φ = 46738944.

The previous prime is 164121163. The next prime is 164121193. The reversal of 164121174 is 471121461.

164121174 is a `hidden beast` number, since 1 + 641 + 2 + 1 + 17 + 4 = 666.

164121174 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 169239 + ... + 170205.

It is an arithmetic number, because the mean of its divisors is an integer number (6534000).

Almost surely, 2^164121174 is an apocalyptic number.

164121174 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164121174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209088000).

164121174 is an abundant number, since it is smaller than the sum of its proper divisors (254054826).

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

164121174 is a wasteful number, since it uses less digits than its factorization.

164121174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1428 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 164121174 is about 12810.9786511414. The cubic root of 164121174 is about 547.5051453823.

The spelling of 164121174 in words is "one hundred sixty-four million, one hundred twenty-one thousand, one hundred seventy-four".