66522107 has 2 divisors, whose sum is σ = 66522108. Its totient is φ = 66522106.

The previous prime is 66522103. The next prime is 66522119. The reversal of 66522107 is 70122566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66522107 - 2² = 66522103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66522107.

It is not a weakly prime, because it can be changed into another prime (66522103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33261053 + 33261054.

It is an arithmetic number, because the mean of its divisors is an integer number (33261054).

Almost surely, 2^66522107 is an apocalyptic number.

66522107 is a deficient number, since it is larger than the sum of its proper divisors (1).

66522107 is an equidigital number, since it uses as much as digits as its factorization.

66522107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 66522107 is about 8156.1085696550. The cubic root of 66522107 is about 405.1868405803.

The spelling of 66522107 in words is "sixty-six million, five hundred twenty-two thousand, one hundred seven".