66144255412143 has 8 divisors (see below), whose sum is σ = 88202886121728. Its totient is φ = 44090897488664.

The previous prime is 66144255412129. The next prime is 66144255412171. The reversal of 66144255412143 is 34121455244166.

66144255412143 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 a cyclic number.

It is not a de Polignac number, because 66144255412143 - 2¹² = 66144255408047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66144255412092 and 66144255412101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66144255417143) 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 7 ways as a sum of consecutive naturals, for example, 1318167255 + ... + 1318217432.

It is an arithmetic number, because the mean of its divisors is an integer number (11025360765216).

Almost surely, 2^{66144255412143} is an apocalyptic number.

66144255412143 is a deficient number, since it is larger than the sum of its proper divisors (22058630709585).

66144255412143 is a wasteful number, since it uses less digits than its factorization.

66144255412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636393053.

The product of its digits is 2764800, while the sum is 48.

The spelling of 66144255412143 in words is "sixty-six trillion, one hundred forty-four billion, two hundred fifty-five million, four hundred twelve thousand, one hundred forty-three".