164212134 has 32 divisors (see below), whose sum is σ = 351074304. Its totient is φ = 51078720.

The previous prime is 164212133. The next prime is 164212171. The reversal of 164212134 is 431212461.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164212133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8854 + ... + 20169.

It is an arithmetic number, because the mean of its divisors is an integer number (10971072).

Almost surely, 2^164212134 is an apocalyptic number.

164212134 is an abundant number, since it is smaller than the sum of its proper divisors (186862170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164212134 is a wasteful number, since it uses less digits than its factorization.

164212134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29092.

The product of its digits is 1152, while the sum is 24.

The square root of 164212134 is about 12814.5282394632. The cubic root of 164212134 is about 547.6062736510.

Adding to 164212134 its reverse (431212461), we get a palindrome (595424595).

The spelling of 164212134 in words is "one hundred sixty-four million, two hundred twelve thousand, one hundred thirty-four".