164115212 has 24 divisors (see below), whose sum is σ = 317320416. Its totient is φ = 73872128.

The previous prime is 164115163. The next prime is 164115223. The reversal of 164115212 is 212511461.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 7 ways as a sum of consecutive naturals, for example, 50903 + ... + 54030.

It is an arithmetic number, because the mean of its divisors is an integer number (13221684).

Almost surely, 2^164115212 is an apocalyptic number.

It is an amenable number.

164115212 is a deficient number, since it is larger than the sum of its proper divisors (153205204).

164115212 is a wasteful number, since it uses less digits than its factorization.

164115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104977 (or 104975 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 164115212 is about 12810.7459579839. The cubic root of 164115212 is about 547.4985155955.

Adding to 164115212 its reverse (212511461), we get a palindrome (376626673).

The spelling of 164115212 in words is "one hundred sixty-four million, one hundred fifteen thousand, two hundred twelve".