66363736158803 has 2 divisors, whose sum is σ = 66363736158804. Its totient is φ = 66363736158802.

The previous prime is 66363736158679. The next prime is 66363736158829. The reversal of 66363736158803 is 30885163736366.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66363736158803 - 2¹⁶ = 66363736093267 is a prime.

It is a super-2 number, since 2×66363736158803² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66363736158803.

It is not a weakly prime, because it can be changed into another prime (66363736151803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33181868079401 + 33181868079402.

It is an arithmetic number, because the mean of its divisors is an integer number (33181868079402).

Almost surely, 2^{66363736158803} is an apocalyptic number.

66363736158803 is a deficient number, since it is larger than the sum of its proper divisors (1).

66363736158803 is an equidigital number, since it uses as much as digits as its factorization.

66363736158803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 65.

The spelling of 66363736158803 in words is "sixty-six trillion, three hundred sixty-three billion, seven hundred thirty-six million, one hundred fifty-eight thousand, eight hundred three".