1662331113433 has 2 divisors, whose sum is σ = 1662331113434. Its totient is φ = 1662331113432.

The previous prime is 1662331113353. The next prime is 1662331113439. The reversal of 1662331113433 is 3343111332661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884809253449 + 777521859984 = 940643^2 + 881772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1662331113433 - 2¹³ = 1662331105241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1662331113392 and 1662331113401.

It is not a weakly prime, because it can be changed into another prime (1662331113439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831165556716 + 831165556717.

It is an arithmetic number, because the mean of its divisors is an integer number (831165556717).

Almost surely, 2^{1662331113433} is an apocalyptic number.

It is an amenable number.

1662331113433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662331113433 is an equidigital number, since it uses as much as digits as its factorization.

1662331113433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The spelling of 1662331113433 in words is "one trillion, six hundred sixty-two billion, three hundred thirty-one million, one hundred thirteen thousand, four hundred thirty-three".