2662366511641 has 2 divisors, whose sum is σ = 2662366511642. Its totient is φ = 2662366511640.

The previous prime is 2662366511627. The next prime is 2662366511681. The reversal of 2662366511641 is 1461156632662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1727045417241 + 935321094400 = 1314171^2 + 967120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662366511641 - 2¹⁵ = 2662366478873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2662366511681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331183255820 + 1331183255821.

It is an arithmetic number, because the mean of its divisors is an integer number (1331183255821).

Almost surely, 2^{2662366511641} is an apocalyptic number.

It is an amenable number.

2662366511641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662366511641 is an equidigital number, since it uses as much as digits as its factorization.

2662366511641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 2662366511641 in words is "two trillion, six hundred sixty-two billion, three hundred sixty-six million, five hundred eleven thousand, six hundred forty-one".