164064405 has 16 divisors (see below), whose sum is σ = 273916800. Its totient is φ = 83696448.

The previous prime is 164064403. The next prime is 164064413. The reversal of 164064405 is 504460461.

It is not a de Polignac number, because 164064405 - 2¹ = 164064403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164064403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237430 + ... + 238119.

It is an arithmetic number, because the mean of its divisors is an integer number (17119800).

Almost surely, 2^164064405 is an apocalyptic number.

164064405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164064405 is a deficient number, since it is larger than the sum of its proper divisors (109852395).

164064405 is a wasteful number, since it uses less digits than its factorization.

164064405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475580.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 164064405 is about 12808.7628208192. The cubic root of 164064405 is about 547.4420113309.

The spelling of 164064405 in words is "one hundred sixty-four million, sixty-four thousand, four hundred five".