164659141 has 2 divisors, whose sum is σ = 164659142. Its totient is φ = 164659140.

The previous prime is 164659123. The next prime is 164659163. The reversal of 164659141 is 141956461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96530625 + 68128516 = 9825^2 + 8254^2 .

It is a cyclic number.

It is not a de Polignac number, because 164659141 - 2⁵ = 164659109 is a prime.

It is a super-2 number, since 2×164659141² = 54225265429715762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164659141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164659241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82329570 + 82329571.

It is an arithmetic number, because the mean of its divisors is an integer number (82329571).

Almost surely, 2^164659141 is an apocalyptic number.

It is an amenable number.

164659141 is a deficient number, since it is larger than the sum of its proper divisors (1).

164659141 is an equidigital number, since it uses as much as digits as its factorization.

164659141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 164659141 is about 12831.9578007411. The cubic root of 164659141 is about 548.1027088730.

The spelling of 164659141 in words is "one hundred sixty-four million, six hundred fifty-nine thousand, one hundred forty-one".