143666130360551 has 32 divisors (see below), whose sum is σ = 155509590113280. Its totient is φ = 132364501277184.

The previous prime is 143666130360521. The next prime is 143666130360593. The reversal of 143666130360551 is 155063031666341.

It is a cyclic number.

It is not a de Polignac number, because 143666130360551 - 2¹⁴ = 143666130344167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143666130360551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143666130360521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270494816 + ... + 271025418.

It is an arithmetic number, because the mean of its divisors is an integer number (4859674691040).

Almost surely, 2^{143666130360551} is an apocalyptic number.

143666130360551 is a deficient number, since it is larger than the sum of its proper divisors (11843459752729).

143666130360551 is a wasteful number, since it uses less digits than its factorization.

143666130360551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533855.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 143666130360551 in words is "one hundred forty-three trillion, six hundred sixty-six billion, one hundred thirty million, three hundred sixty thousand, five hundred fifty-one".