66733437343159 has 2 divisors, whose sum is σ = 66733437343160. Its totient is φ = 66733437343158.

The previous prime is 66733437343093. The next prime is 66733437343171. The reversal of 66733437343159 is 95134373433766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66733437343159 - 2⁹ = 66733437342647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66733437343159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66733437346159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33366718671579 + 33366718671580.

It is an arithmetic number, because the mean of its divisors is an integer number (33366718671580).

Almost surely, 2^{66733437343159} is an apocalyptic number.

66733437343159 is a deficient number, since it is larger than the sum of its proper divisors (1).

66733437343159 is an equidigital number, since it uses as much as digits as its factorization.

66733437343159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308629440, while the sum is 64.

The spelling of 66733437343159 in words is "sixty-six trillion, seven hundred thirty-three billion, four hundred thirty-seven million, three hundred forty-three thousand, one hundred fifty-nine".