164368387 has 2 divisors, whose sum is σ = 164368388. Its totient is φ = 164368386.

The previous prime is 164368357. The next prime is 164368397. The reversal of 164368387 is 783863461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164368387 - 2¹⁹ = 163844099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164368357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82184193 + 82184194.

It is an arithmetic number, because the mean of its divisors is an integer number (82184194).

Almost surely, 2^164368387 is an apocalyptic number.

164368387 is a deficient number, since it is larger than the sum of its proper divisors (1).

164368387 is an equidigital number, since it uses as much as digits as its factorization.

164368387 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 164368387 is about 12820.6235027786. The cubic root of 164368387 is about 547.7799067763.

The spelling of 164368387 in words is "one hundred sixty-four million, three hundred sixty-eight thousand, three hundred eighty-seven".