164601066 has 64 divisors (see below), whose sum is σ = 397900800. Its totient is φ = 44343936.

The previous prime is 164601043. The next prime is 164601079. The reversal of 164601066 is 660106461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249445 + ... + 250103.

It is an arithmetic number, because the mean of its divisors is an integer number (6217200).

Almost surely, 2^164601066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164601066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198950400).

164601066 is an abundant number, since it is smaller than the sum of its proper divisors (233299734).

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

164601066 is a wasteful number, since it uses less digits than its factorization.

164601066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 164601066 is about 12829.6946962895. The cubic root of 164601066 is about 548.0382629969.

The spelling of 164601066 in words is "one hundred sixty-four million, six hundred one thousand, sixty-six".