327660061 has 2 divisors, whose sum is σ = 327660062. Its totient is φ = 327660060.

The previous prime is 327660041. The next prime is 327660103. The reversal of 327660061 is 160066723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318087225 + 9572836 = 17835^2 + 3094^2 .

It is an emirp because it is prime and its reverse (160066723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327660061 - 2⁵ = 327660029 is a prime.

It is a super-2 number, since 2×327660061² = 214722231149047442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327660041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163830030 + 163830031.

It is an arithmetic number, because the mean of its divisors is an integer number (163830031).

Almost surely, 2^327660061 is an apocalyptic number.

It is an amenable number.

327660061 is a deficient number, since it is larger than the sum of its proper divisors (1).

327660061 is an equidigital number, since it uses as much as digits as its factorization.

327660061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 327660061 is about 18101.3828477274. The cubic root of 327660061 is about 689.4051170392.

The spelling of 327660061 in words is "three hundred twenty-seven million, six hundred sixty thousand, sixty-one".