164626867 has 2 divisors, whose sum is σ = 164626868. Its totient is φ = 164626866.

The previous prime is 164626831. The next prime is 164626897. The reversal of 164626867 is 768626461.

It is a strong prime.

It is an emirp because it is prime and its reverse (768626461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164626867 - 2¹¹ = 164624819 is a prime.

It is not a weakly prime, because it can be changed into another prime (164626897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82313433 + 82313434.

It is an arithmetic number, because the mean of its divisors is an integer number (82313434).

Almost surely, 2^164626867 is an apocalyptic number.

164626867 is a deficient number, since it is larger than the sum of its proper divisors (1).

164626867 is an equidigital number, since it uses as much as digits as its factorization.

164626867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 164626867 is about 12830.7001757503. The cubic root of 164626867 is about 548.0668962591.

The spelling of 164626867 in words is "one hundred sixty-four million, six hundred twenty-six thousand, eight hundred sixty-seven".