366665880271 has 2 divisors, whose sum is σ = 366665880272. Its totient is φ = 366665880270.

The previous prime is 366665880241. The next prime is 366665880277. The reversal of 366665880271 is 172088566663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 366665880271 - 2⁷ = 366665880143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366665880277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183332940135 + 183332940136.

It is an arithmetic number, because the mean of its divisors is an integer number (183332940136).

Almost surely, 2^366665880271 is an apocalyptic number.

366665880271 is a deficient number, since it is larger than the sum of its proper divisors (1).

366665880271 is an equidigital number, since it uses as much as digits as its factorization.

366665880271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 366665880271 in words is "three hundred sixty-six billion, six hundred sixty-five million, eight hundred eighty thousand, two hundred seventy-one".