164005412 has 12 divisors (see below), whose sum is σ = 294009996. Its totient is φ = 80002560.

The previous prime is 164005403. The next prime is 164005441. The reversal of 164005412 is 214500461.

It can be written as a sum of positive squares in 2 ways, for example, as 34409956 + 129595456 = 5866^2 + 11384^2 .

164005412 is a modest number, since divided by 5412 gives 164 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499853 + ... + 500180.

It is an arithmetic number, because the mean of its divisors is an integer number (24500833).

Almost surely, 2^164005412 is an apocalyptic number.

It is an amenable number.

164005412 is a deficient number, since it is larger than the sum of its proper divisors (130004584).

164005412 is a wasteful number, since it uses less digits than its factorization.

164005412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000078 (or 1000076 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 164005412 is about 12806.4597762223. The cubic root of 164005412 is about 547.3763884877.

Adding to 164005412 its reverse (214500461), we get a palindrome (378505873).

It can be divided in two parts, 16400 and 5412, that added together give a palindrome (21812).

The spelling of 164005412 in words is "one hundred sixty-four million, five thousand, four hundred twelve".