66711132105 has 8 divisors (see below), whose sum is σ = 106737811392. Its totient is φ = 35579270448.

The previous prime is 66711132101. The next prime is 66711132179. The reversal of 66711132105 is 50123111766.

66711132105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66711132105 - 2² = 66711132101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66711132101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223704389 + ... + 2223704418.

It is an arithmetic number, because the mean of its divisors is an integer number (13342226424).

Almost surely, 2^66711132105 is an apocalyptic number.

It is an amenable number.

66711132105 is a deficient number, since it is larger than the sum of its proper divisors (40026679287).

66711132105 is a wasteful number, since it uses less digits than its factorization.

66711132105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447408815.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 66711132105 in words is "sixty-six billion, seven hundred eleven million, one hundred thirty-two thousand, one hundred five".