66596346513675 has 144 divisors (see below), whose sum is σ = 132345179366400. Its totient is φ = 31738400121600.

The previous prime is 66596346513667. The next prime is 66596346513677. The reversal of 66596346513675 is 57631564369566.

66596346513675 is a `hidden beast` number, since 6 + 6 + 5 + 9 + 6 + 3 + 46 + 513 + 67 + 5 = 666.

66596346513675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66596346513675 - 2³ = 66596346513667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66596346513677) 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 143 ways as a sum of consecutive naturals, for example, 1768197894 + ... + 1768235556.

It is an arithmetic number, because the mean of its divisors is an integer number (919063745600).

Almost surely, 2^{66596346513675} is an apocalyptic number.

66596346513675 is a deficient number, since it is larger than the sum of its proper divisors (65748832852725).

66596346513675 is a wasteful number, since it uses less digits than its factorization.

66596346513675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49858 (or 49850 counting only the distinct ones).

The product of its digits is 2204496000, while the sum is 72.

The spelling of 66596346513675 in words is "sixty-six trillion, five hundred ninety-six billion, three hundred forty-six million, five hundred thirteen thousand, six hundred seventy-five".