66163663541143 has 8 divisors (see below), whose sum is σ = 75660921429920. Its totient is φ = 56677732140960.

The previous prime is 66163663541093. The next prime is 66163663541201. The reversal of 66163663541143 is 34114536636166.

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

It is not a de Polignac number, because 66163663541143 - 2¹⁷ = 66163663410071 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 (66163663542143) 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, 2831609628 + ... + 2831632993.

It is an arithmetic number, because the mean of its divisors is an integer number (9457615178740).

Almost surely, 2^{66163663541143} is an apocalyptic number.

66163663541143 is a deficient number, since it is larger than the sum of its proper divisors (9497257888777).

66163663541143 is a wasteful number, since it uses less digits than its factorization.

66163663541143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663244297.

The product of its digits is 16796160, while the sum is 55.

The spelling of 66163663541143 in words is "sixty-six trillion, one hundred sixty-three billion, six hundred sixty-three million, five hundred forty-one thousand, one hundred forty-three".