66355848027 has 16 divisors (see below), whose sum is σ = 112348526080. Its totient is φ = 37917627336.

The previous prime is 66355848017. The next prime is 66355848073. The reversal of 66355848027 is 72084855366.

66355848027 is a `hidden beast` number, since 6 + 6 + 3 + 558 + 4 + 80 + 2 + 7 = 666.

It is not a de Polignac number, because 66355848027 - 2⁴ = 66355848011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66355848017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175544383 + ... + 175544760.

It is an arithmetic number, because the mean of its divisors is an integer number (7021782880).

Almost surely, 2^66355848027 is an apocalyptic number.

66355848027 is a deficient number, since it is larger than the sum of its proper divisors (45992678053).

66355848027 is a wasteful number, since it uses less digits than its factorization.

66355848027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351089159 (or 351089153 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 66355848027 in words is "sixty-six billion, three hundred fifty-five million, eight hundred forty-eight thousand, twenty-seven".