164709133 has 2 divisors, whose sum is σ = 164709134. Its totient is φ = 164709132.

The previous prime is 164709121. The next prime is 164709143. The reversal of 164709133 is 331907461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86174089 + 78535044 = 9283^2 + 8862^2 .

It is an emirp because it is prime and its reverse (331907461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164709133 is a prime.

It is a super-2 number, since 2×164709133² = 54258196987223378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164709143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82354566 + 82354567.

It is an arithmetic number, because the mean of its divisors is an integer number (82354567).

Almost surely, 2^164709133 is an apocalyptic number.

It is an amenable number.

164709133 is a deficient number, since it is larger than the sum of its proper divisors (1).

164709133 is an equidigital number, since it uses as much as digits as its factorization.

164709133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 164709133 is about 12833.9056019592. The cubic root of 164709133 is about 548.1581729019.

The spelling of 164709133 in words is "one hundred sixty-four million, seven hundred nine thousand, one hundred thirty-three".