1662255302399 has 2 divisors, whose sum is σ = 1662255302400. Its totient is φ = 1662255302398.

The previous prime is 1662255302381. The next prime is 1662255302417. The reversal of 1662255302399 is 9932035522661.

It is a balanced prime because it is at equal distance from previous prime (1662255302381) and next prime (1662255302417).

It is a cyclic number.

It is not a de Polignac number, because 1662255302399 - 2²⁰ = 1662254253823 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1662255302399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662255302599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831127651199 + 831127651200.

It is an arithmetic number, because the mean of its divisors is an integer number (831127651200).

Almost surely, 2^{1662255302399} is an apocalyptic number.

1662255302399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662255302399 is an equidigital number, since it uses as much as digits as its factorization.

1662255302399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 1662255302399 in words is "one trillion, six hundred sixty-two billion, two hundred fifty-five million, three hundred two thousand, three hundred ninety-nine".