366666733 has 2 divisors, whose sum is σ = 366666734. Its totient is φ = 366666732.

The previous prime is 366666689. The next prime is 366666757. The reversal of 366666733 is 337666663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329858244 + 36808489 = 18162^2 + 6067^2 .

It is a cyclic number.

It is not a de Polignac number, because 366666733 - 2⁹ = 366666221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366666793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183333366 + 183333367.

It is an arithmetic number, because the mean of its divisors is an integer number (183333367).

Almost surely, 2^366666733 is an apocalyptic number.

It is an amenable number.

366666733 is a deficient number, since it is larger than the sum of its proper divisors (1).

366666733 is an equidigital number, since it uses as much as digits as its factorization.

366666733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 46.

The square root of 366666733 is about 19148.5438871994. The cubic root of 366666733 is about 715.7430995011.

The spelling of 366666733 in words is "three hundred sixty-six million, six hundred sixty-six thousand, seven hundred thirty-three".