66334332353369 has 2 divisors, whose sum is σ = 66334332353370. Its totient is φ = 66334332353368.

The previous prime is 66334332353251. The next prime is 66334332353423. The reversal of 66334332353369 is 96335323343366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34805433549769 + 31528898803600 = 5899613^2 + 5615060^2 .

It is a cyclic number.

It is not a de Polignac number, because 66334332353369 - 2¹⁶ = 66334332287833 is a prime.

It is a super-2 number, since 2×66334332353369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66334332352369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33167166176684 + 33167166176685.

It is an arithmetic number, because the mean of its divisors is an integer number (33167166176685).

Almost surely, 2^{66334332353369} is an apocalyptic number.

It is an amenable number.

66334332353369 is a deficient number, since it is larger than the sum of its proper divisors (1).

66334332353369 is an equidigital number, since it uses as much as digits as its factorization.

66334332353369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170061120, while the sum is 59.

The spelling of 66334332353369 in words is "sixty-six trillion, three hundred thirty-four billion, three hundred thirty-two million, three hundred fifty-three thousand, three hundred sixty-nine".