167164213 has 4 divisors (see below), whose sum is σ = 176997420. Its totient is φ = 157331008.

The previous prime is 167164201. The next prime is 167164229. The reversal of 167164213 is 312461761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106977649 + 60186564 = 10343^2 + 7758^2 .

It is a cyclic number.

It is not a de Polignac number, because 167164213 - 2⁵ = 167164181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167164273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4916578 + ... + 4916611.

It is an arithmetic number, because the mean of its divisors is an integer number (44249355).

Almost surely, 2^167164213 is an apocalyptic number.

It is an amenable number.

167164213 is a deficient number, since it is larger than the sum of its proper divisors (9833207).

167164213 is an equidigital number, since it uses as much as digits as its factorization.

167164213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833206.

The product of its digits is 6048, while the sum is 31.

The square root of 167164213 is about 12929.2000139220. The cubic root of 167164213 is about 550.8682847164.

The spelling of 167164213 in words is "one hundred sixty-seven million, one hundred sixty-four thousand, two hundred thirteen".