366866057 has 2 divisors, whose sum is σ = 366866058. Its totient is φ = 366866056.

The previous prime is 366866051. The next prime is 366866083. The reversal of 366866057 is 750668663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366492736 + 373321 = 19144^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 366866057 - 2¹² = 366861961 is a prime.

It is not a weakly prime, because it can be changed into another prime (366866051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183433028 + 183433029.

It is an arithmetic number, because the mean of its divisors is an integer number (183433029).

Almost surely, 2^366866057 is an apocalyptic number.

It is an amenable number.

366866057 is a deficient number, since it is larger than the sum of its proper divisors (1).

366866057 is an equidigital number, since it uses as much as digits as its factorization.

366866057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 366866057 is about 19153.7478577954. The cubic root of 366866057 is about 715.8727712358.

The spelling of 366866057 in words is "three hundred sixty-six million, eight hundred sixty-six thousand, fifty-seven".