66011542234147 has 8 divisors (see below), whose sum is σ = 67621708168560. Its totient is φ = 64401382410240.

The previous prime is 66011542234133. The next prime is 66011542234177. The reversal of 66011542234147 is 74143224511066.

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

It is not a de Polignac number, because 66011542234147 - 2¹⁵ = 66011542201379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66011542234097 and 66011542234106.

It is not an unprimeable number, because it can be changed into a prime (66011542234117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26567604 + ... + 28945822.

It is an arithmetic number, because the mean of its divisors is an integer number (8452713521070).

Almost surely, 2^{66011542234147} is an apocalyptic number.

66011542234147 is a deficient number, since it is larger than the sum of its proper divisors (1610165934413).

66011542234147 is a wasteful number, since it uses less digits than its factorization.

66011542234147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055253.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 66011542234147 in words is "sixty-six trillion, eleven billion, five hundred forty-two million, two hundred thirty-four thousand, one hundred forty-seven".