66366151 has 2 divisors, whose sum is σ = 66366152. Its totient is φ = 66366150.

The previous prime is 66366149. The next prime is 66366163. The reversal of 66366151 is 15166366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66366151 - 2¹ = 66366149 is a prime.

Together with 66366149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66366101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33183075 + 33183076.

It is an arithmetic number, because the mean of its divisors is an integer number (33183076).

Almost surely, 2^66366151 is an apocalyptic number.

66366151 is a deficient number, since it is larger than the sum of its proper divisors (1).

66366151 is an equidigital number, since it uses as much as digits as its factorization.

66366151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 66366151 is about 8146.5422726455. The cubic root of 66366151 is about 404.8699496068.

The spelling of 66366151 in words is "sixty-six million, three hundred sixty-six thousand, one hundred fifty-one".