164956061 has 2 divisors, whose sum is σ = 164956062. Its totient is φ = 164956060.

The previous prime is 164956037. The next prime is 164956067. The reversal of 164956061 is 160659461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163968025 + 988036 = 12805^2 + 994^2 .

It is an emirp because it is prime and its reverse (160659461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164956061 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164956067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82478030 + 82478031.

It is an arithmetic number, because the mean of its divisors is an integer number (82478031).

Almost surely, 2^164956061 is an apocalyptic number.

It is an amenable number.

164956061 is a deficient number, since it is larger than the sum of its proper divisors (1).

164956061 is an equidigital number, since it uses as much as digits as its factorization.

164956061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 164956061 is about 12843.5221415311. The cubic root of 164956061 is about 548.4319646755.

The spelling of 164956061 in words is "one hundred sixty-four million, nine hundred fifty-six thousand, sixty-one".