66104155153363 has 2 divisors, whose sum is σ = 66104155153364. Its totient is φ = 66104155153362.

The previous prime is 66104155153313. The next prime is 66104155153409. The reversal of 66104155153363 is 36335155140166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66104155153363 - 2²¹ = 66104153056211 is a prime.

It is not a weakly prime, because it can be changed into another prime (66104155153303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33052077576681 + 33052077576682.

It is an arithmetic number, because the mean of its divisors is an integer number (33052077576682).

Almost surely, 2^{66104155153363} is an apocalyptic number.

66104155153363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66104155153363 is an equidigital number, since it uses as much as digits as its factorization.

66104155153363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 66104155153363 in words is "sixty-six trillion, one hundred four billion, one hundred fifty-five million, one hundred fifty-three thousand, three hundred sixty-three".