164655061 has 2 divisors, whose sum is σ = 164655062. Its totient is φ = 164655060.

The previous prime is 164655037. The next prime is 164655067. The reversal of 164655061 is 160556461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 1454436 = 12775^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 164655061 - 2⁹ = 164654549 is a prime.

It is a super-3 number, since 3×164655061³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164655067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82327530 + 82327531.

It is an arithmetic number, because the mean of its divisors is an integer number (82327531).

Almost surely, 2^164655061 is an apocalyptic number.

It is an amenable number.

164655061 is a deficient number, since it is larger than the sum of its proper divisors (1).

164655061 is an equidigital number, since it uses as much as digits as its factorization.

164655061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 164655061 is about 12831.7988216773. The cubic root of 164655061 is about 548.0981817885.

The spelling of 164655061 in words is "one hundred sixty-four million, six hundred fifty-five thousand, sixty-one".