164068937 has 2 divisors, whose sum is σ = 164068938. Its totient is φ = 164068936.

The previous prime is 164068909. The next prime is 164068943. The reversal of 164068937 is 739860461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126810121 + 37258816 = 11261^2 + 6104^2 .

It is an emirp because it is prime and its reverse (739860461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164068937 - 2⁶ = 164068873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164068907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82034468 + 82034469.

It is an arithmetic number, because the mean of its divisors is an integer number (82034469).

Almost surely, 2^164068937 is an apocalyptic number.

It is an amenable number.

164068937 is a deficient number, since it is larger than the sum of its proper divisors (1).

164068937 is an equidigital number, since it uses as much as digits as its factorization.

164068937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 164068937 is about 12808.9397297356. The cubic root of 164068937 is about 547.4470520024.

The spelling of 164068937 in words is "one hundred sixty-four million, sixty-eight thousand, nine hundred thirty-seven".