66141862847 has 8 divisors (see below), whose sum is σ = 67759040832. Its totient is φ = 64524873600.

The previous prime is 66141862837. The next prime is 66141862873. The reversal of 66141862847 is 74826814166.

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

It is a cyclic number.

It is not a de Polignac number, because 66141862847 - 2⁶ = 66141862783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66141862837) 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, 884138 + ... + 956024.

It is an arithmetic number, because the mean of its divisors is an integer number (8469880104).

Almost surely, 2^66141862847 is an apocalyptic number.

66141862847 is a deficient number, since it is larger than the sum of its proper divisors (1617177985).

66141862847 is a wasteful number, since it uses less digits than its factorization.

66141862847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94369.

The product of its digits is 3096576, while the sum is 53.

The spelling of 66141862847 in words is "sixty-six billion, one hundred forty-one million, eight hundred sixty-two thousand, eight hundred forty-seven".