164603867 has 2 divisors, whose sum is σ = 164603868. Its totient is φ = 164603866.

The previous prime is 164603833. The next prime is 164603921. The reversal of 164603867 is 768306461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164603867 - 2⁸ = 164603611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164603827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82301933 + 82301934.

It is an arithmetic number, because the mean of its divisors is an integer number (82301934).

Almost surely, 2^164603867 is an apocalyptic number.

164603867 is a deficient number, since it is larger than the sum of its proper divisors (1).

164603867 is an equidigital number, since it uses as much as digits as its factorization.

164603867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 164603867 is about 12829.8038566457. The cubic root of 164603867 is about 548.0413716168.

The spelling of 164603867 in words is "one hundred sixty-four million, six hundred three thousand, eight hundred sixty-seven".