164542267 has 2 divisors, whose sum is σ = 164542268. Its totient is φ = 164542266.

The previous prime is 164542249. The next prime is 164542283. The reversal of 164542267 is 762245461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164542267 is a prime.

It is not a weakly prime, because it can be changed into another prime (164542247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82271133 + 82271134.

It is an arithmetic number, because the mean of its divisors is an integer number (82271134).

Almost surely, 2^164542267 is an apocalyptic number.

164542267 is a deficient number, since it is larger than the sum of its proper divisors (1).

164542267 is an equidigital number, since it uses as much as digits as its factorization.

164542267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 164542267 is about 12827.4029717632. The cubic root of 164542267 is about 547.9729982522.

It can be divided in two parts, 16454 and 2267, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 164542267 in words is "one hundred sixty-four million, five hundred forty-two thousand, two hundred sixty-seven".