164321204 has 24 divisors (see below), whose sum is σ = 297862656. Its totient is φ = 79236000.

The previous prime is 164321197. The next prime is 164321207. The reversal of 164321204 is 402123461.

It is a self number, because there is not a number n which added to its sum of digits gives 164321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164321207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36434 + ... + 40694.

It is an arithmetic number, because the mean of its divisors is an integer number (12410944).

Almost surely, 2^164321204 is an apocalyptic number.

It is an amenable number.

164321204 is a deficient number, since it is larger than the sum of its proper divisors (133541452).

164321204 is a wasteful number, since it uses less digits than its factorization.

164321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

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

The square root of 164321204 is about 12818.7832495912. The cubic root of 164321204 is about 547.7274871813.

Adding to 164321204 its reverse (402123461), we get a palindrome (566444665).

The spelling of 164321204 in words is "one hundred sixty-four million, three hundred twenty-one thousand, two hundred four".