1336666666331 has 2 divisors, whose sum is σ = 1336666666332. Its totient is φ = 1336666666330.

The previous prime is 1336666666327. The next prime is 1336666666343.

1336666666331 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1336666666331 - 2² = 1336666666327 is a prime.

It is a super-2 number, since 2×1336666666331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1336666660331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668333333165 + 668333333166.

It is an arithmetic number, because the mean of its divisors is an integer number (668333333166).

Almost surely, 2^{1336666666331} is an apocalyptic number.

1336666666331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336666666331 is an equidigital number, since it uses as much as digits as its factorization.

1336666666331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22674816, while the sum is 56.

The spelling of 1336666666331 in words is "one trillion, three hundred thirty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred thirty-one".