164320064 has 28 divisors (see below), whose sum is σ = 327752964. Its totient is φ = 81736704.

The previous prime is 164320049. The next prime is 164320097. The reversal of 164320064 is 460023461.

It can be written as a sum of positive squares in 2 ways, for example, as 139240000 + 25080064 = 11800^2 + 5008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6092 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (11705463).

Almost surely, 2^164320064 is an apocalyptic number.

It is an amenable number.

164320064 is a deficient number, since it is larger than the sum of its proper divisors (163432900).

164320064 is a wasteful number, since it uses less digits than its factorization.

164320064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13242 (or 13232 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 164320064 is about 12818.7387835153. The cubic root of 164320064 is about 547.7262205345.

The spelling of 164320064 in words is "one hundred sixty-four million, three hundred twenty thousand, sixty-four".