66692824973047 has 32 divisors (see below), whose sum is σ = 82294365396992. Its totient is φ = 52632391641984.

The previous prime is 66692824973039. The next prime is 66692824973087. The reversal of 66692824973047 is 74037942829666.

66692824973047 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 66692824973047 - 2³ = 66692824973039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66692824973017) 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 31 ways as a sum of consecutive naturals, for example, 1048482118 + ... + 1048545724.

It is an arithmetic number, because the mean of its divisors is an integer number (2571698918656).

Almost surely, 2^{66692824973047} is an apocalyptic number.

66692824973047 is a deficient number, since it is larger than the sum of its proper divisors (15601540423945).

66692824973047 is a wasteful number, since it uses less digits than its factorization.

66692824973047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93047.

The product of its (nonzero) digits is 1316818944, while the sum is 73.

The spelling of 66692824973047 in words is "sixty-six trillion, six hundred ninety-two billion, eight hundred twenty-four million, nine hundred seventy-three thousand, forty-seven".