366651401 has 2 divisors, whose sum is σ = 366651402. Its totient is φ = 366651400.

The previous prime is 366651343. The next prime is 366651449. The reversal of 366651401 is 104156663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192543376 + 174108025 = 13876^2 + 13195^2 .

It is a cyclic number.

It is not a de Polignac number, because 366651401 - 2¹⁰ = 366650377 is a prime.

It is not a weakly prime, because it can be changed into another prime (366651101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183325700 + 183325701.

It is an arithmetic number, because the mean of its divisors is an integer number (183325701).

Almost surely, 2^366651401 is an apocalyptic number.

It is an amenable number.

366651401 is a deficient number, since it is larger than the sum of its proper divisors (1).

366651401 is an equidigital number, since it uses as much as digits as its factorization.

366651401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 366651401 is about 19148.1435392573. The cubic root of 366651401 is about 715.7331232064.

The spelling of 366651401 in words is "three hundred sixty-six million, six hundred fifty-one thousand, four hundred one".