164167501 has 2 divisors, whose sum is σ = 164167502. Its totient is φ = 164167500.

The previous prime is 164167481. The next prime is 164167517. The reversal of 164167501 is 105761461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160655625 + 3511876 = 12675^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 164167501 - 2¹⁹ = 163643213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164167001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82083750 + 82083751.

It is an arithmetic number, because the mean of its divisors is an integer number (82083751).

Almost surely, 2^164167501 is an apocalyptic number.

It is an amenable number.

164167501 is a deficient number, since it is larger than the sum of its proper divisors (1).

164167501 is an equidigital number, since it uses as much as digits as its factorization.

164167501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 164167501 is about 12812.7866211843. The cubic root of 164167501 is about 547.5566558691.

The spelling of 164167501 in words is "one hundred sixty-four million, one hundred sixty-seven thousand, five hundred one".