164840267 has 2 divisors, whose sum is σ = 164840268. Its totient is φ = 164840266.

The previous prime is 164840261. The next prime is 164840309. The reversal of 164840267 is 762048461.

164840267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (762048461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164840267 - 2¹⁸ = 164578123 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164840267.

It is not a weakly prime, because it can be changed into another prime (164840261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82420133 + 82420134.

It is an arithmetic number, because the mean of its divisors is an integer number (82420134).

Almost surely, 2^164840267 is an apocalyptic number.

164840267 is a deficient number, since it is larger than the sum of its proper divisors (1).

164840267 is an equidigital number, since it uses as much as digits as its factorization.

164840267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 164840267 is about 12839.0134745626. The cubic root of 164840267 is about 548.3036072695.

The spelling of 164840267 in words is "one hundred sixty-four million, eight hundred forty thousand, two hundred sixty-seven".