143663311661320 has 64 divisors (see below), whose sum is σ = 360130854816000. Its totient is φ = 51129689249280.

The previous prime is 143663311661299. The next prime is 143663311661327. The reversal of 143663311661320 is 23166113366341.

It is not an unprimeable number, because it can be changed into a prime (143663311661327) 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 15 ways as a sum of consecutive naturals, for example, 3473463645 + ... + 3473505004.

It is an arithmetic number, because the mean of its divisors is an integer number (5627044606500).

Almost surely, 2^{143663311661320} is an apocalyptic number.

143663311661320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143663311661320 is an abundant number, since it is smaller than the sum of its proper divisors (216467543154680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143663311661320 is a wasteful number, since it uses less digits than its factorization.

143663311661320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946968718 (or 6946968714 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 143663311661320 in words is "one hundred forty-three trillion, six hundred sixty-three billion, three hundred eleven million, six hundred sixty-one thousand, three hundred twenty".