164111291 has 2 divisors, whose sum is σ = 164111292. Its totient is φ = 164111290.

The previous prime is 164111237. The next prime is 164111309. The reversal of 164111291 is 192111461.

164111291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164111291 is a prime.

It is a Chen prime.

It is equal to p_9192023 and since 164111291 and 9192023 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164111291.

It is not a weakly prime, because it can be changed into another prime (164111231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82055645 + 82055646.

It is an arithmetic number, because the mean of its divisors is an integer number (82055646).

Almost surely, 2^164111291 is an apocalyptic number.

164111291 is a deficient number, since it is larger than the sum of its proper divisors (1).

164111291 is an equidigital number, since it uses as much as digits as its factorization.

164111291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 26.

The square root of 164111291 is about 12810.5929214849. The cubic root of 164111291 is about 547.4941553278.

The spelling of 164111291 in words is "one hundred sixty-four million, one hundred eleven thousand, two hundred ninety-one".