143163615661213 has 4 divisors (see below), whose sum is σ = 163615560755680. Its totient is φ = 122711670566748.

The previous prime is 143163615661193. The next prime is 143163615661229. The reversal of 143163615661213 is 312166516361341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143163615661213 - 2²⁵ = 143163582106781 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 (143163615661813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10225972547223 + ... + 10225972547236.

It is an arithmetic number, because the mean of its divisors is an integer number (40903890188920).

Almost surely, 2^{143163615661213} is an apocalyptic number.

It is an amenable number.

143163615661213 is a deficient number, since it is larger than the sum of its proper divisors (20451945094467).

143163615661213 is an equidigital number, since it uses as much as digits as its factorization.

143163615661213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20451945094466.

The product of its digits is 1399680, while the sum is 49.

The spelling of 143163615661213 in words is "one hundred forty-three trillion, one hundred sixty-three billion, six hundred fifteen million, six hundred sixty-one thousand, two hundred thirteen".