164566141 has 2 divisors, whose sum is σ = 164566142. Its totient is φ = 164566140.

The previous prime is 164566123. The next prime is 164566151. The reversal of 164566141 is 141665461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117094041 + 47472100 = 10821^2 + 6890^2 .

It is a cyclic number.

It is not a de Polignac number, because 164566141 - 2¹³ = 164557949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164566097 and 164566106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164566151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82283070 + 82283071.

It is an arithmetic number, because the mean of its divisors is an integer number (82283071).

Almost surely, 2^164566141 is an apocalyptic number.

It is an amenable number.

164566141 is a deficient number, since it is larger than the sum of its proper divisors (1).

164566141 is an equidigital number, since it uses as much as digits as its factorization.

164566141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 164566141 is about 12828.3335238838. Note that the first 3 decimals coincide. The cubic root of 164566141 is about 547.9994993957. Note that the first 3 decimals are identical.

The spelling of 164566141 in words is "one hundred sixty-four million, five hundred sixty-six thousand, one hundred forty-one".