164134672 has 20 divisors (see below), whose sum is σ = 342473740. Its totient is φ = 75754368.

The previous prime is 164134661. The next prime is 164134679. The reversal of 164134672 is 276431461.

It can be written as a sum of positive squares in 2 ways, for example, as 89415936 + 74718736 = 9456^2 + 8644^2 .

It is not an unprimeable number, because it can be changed into a prime (164134679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394347 + ... + 394762.

It is an arithmetic number, because the mean of its divisors is an integer number (17123687).

Almost surely, 2^164134672 is an apocalyptic number.

It is an amenable number.

164134672 is an abundant number, since it is smaller than the sum of its proper divisors (178339068).

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

164134672 is a wasteful number, since it uses less digits than its factorization.

164134672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789130 (or 789124 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 164134672 is about 12811.5054540831. The cubic root of 164134672 is about 547.5201546621.

The spelling of 164134672 in words is "one hundred sixty-four million, one hundred thirty-four thousand, six hundred seventy-two".