164771044 has 12 divisors (see below), whose sum is σ = 288483244. Its totient is φ = 82347264.

The previous prime is 164771041. The next prime is 164771053. The reversal of 164771044 is 440177461.

It can be written as a sum of positive squares in 2 ways, for example, as 150798400 + 13972644 = 12280^2 + 3738^2 .

It is not an unprimeable number, because it can be changed into a prime (164771041) 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, 1564 + ... + 18220.

Almost surely, 2^164771044 is an apocalyptic number.

It is an amenable number.

164771044 is a deficient number, since it is larger than the sum of its proper divisors (123712200).

164771044 is a wasteful number, since it uses less digits than its factorization.

164771044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19134 (or 19132 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 164771044 is about 12836.3173846707. The cubic root of 164771044 is about 548.2268450085.

The spelling of 164771044 in words is "one hundred sixty-four million, seven hundred seventy-one thousand, forty-four".