3366808590581 has 2 divisors, whose sum is σ = 3366808590582. Its totient is φ = 3366808590580.

The previous prime is 3366808590553. The next prime is 3366808590667. The reversal of 3366808590581 is 1850958086633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2567474247556 + 799334343025 = 1602334^2 + 894055^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366808590581 - 2¹⁸ = 3366808328437 is a prime.

It is a super-2 number, since 2×3366808590581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3366808593581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683404295290 + 1683404295291.

It is an arithmetic number, because the mean of its divisors is an integer number (1683404295291).

Almost surely, 2^{3366808590581} is an apocalyptic number.

It is an amenable number.

3366808590581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3366808590581 is an equidigital number, since it uses as much as digits as its factorization.

3366808590581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 3366808590581 in words is "three trillion, three hundred sixty-six billion, eight hundred eight million, five hundred ninety thousand, five hundred eighty-one".