66061026107 has 2 divisors, whose sum is σ = 66061026108. Its totient is φ = 66061026106.

The previous prime is 66061026103. The next prime is 66061026137. The reversal of 66061026107 is 70162016066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66061026107 - 2² = 66061026103 is a prime.

It is not a weakly prime, because it can be changed into another prime (66061026103) 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, 33030513053 + 33030513054.

It is an arithmetic number, because the mean of its divisors is an integer number (33030513054).

Almost surely, 2^66061026107 is an apocalyptic number.

66061026107 is a deficient number, since it is larger than the sum of its proper divisors (1).

66061026107 is an equidigital number, since it uses as much as digits as its factorization.

66061026107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 66061026107 in words is "sixty-six billion, sixty-one million, twenty-six thousand, one hundred seven".