164212304 has 20 divisors (see below), whose sum is σ = 320301300. Its totient is φ = 81553920.

The previous prime is 164212303. The next prime is 164212319. The reversal of 164212304 is 403212461.

It can be written as a sum of positive squares in 2 ways, for example, as 6760000 + 157452304 = 2600^2 + 12548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164212304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164212303) 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, 32057 + ... + 36824.

It is an arithmetic number, because the mean of its divisors is an integer number (16015065).

Almost surely, 2^164212304 is an apocalyptic number.

It is an amenable number.

164212304 is a deficient number, since it is larger than the sum of its proper divisors (156088996).

164212304 is a wasteful number, since it uses less digits than its factorization.

164212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69038 (or 69032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 164212304 is about 12814.5348725578. The cubic root of 164212304 is about 547.6064626200.

Adding to 164212304 its reverse (403212461), we get a palindrome (567424765).

The spelling of 164212304 in words is "one hundred sixty-four million, two hundred twelve thousand, three hundred four".