143161263566161 has 8 divisors (see below), whose sum is σ = 145656194174784. Its totient is φ = 140671107946320.

The previous prime is 143161263566147. The next prime is 143161263566173. The reversal of 143161263566161 is 161665362161341.

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 143161263566161 - 2²⁵ = 143161230011729 is a prime.

It is a super-3 number, since 3×143161263566161³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143161263566099 and 143161263566108.

It is not an unprimeable number, because it can be changed into a prime (143161263506161) 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, 1193686711 + ... + 1193806636.

It is an arithmetic number, because the mean of its divisors is an integer number (18207024271848).

Almost surely, 2^{143161263566161} is an apocalyptic number.

It is an amenable number.

143161263566161 is a deficient number, since it is larger than the sum of its proper divisors (2494930608623).

143161263566161 is an equidigital number, since it uses as much as digits as its factorization.

143161263566161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387494391.

The product of its digits is 2799360, while the sum is 52.

The spelling of 143161263566161 in words is "one hundred forty-three trillion, one hundred sixty-one billion, two hundred sixty-three million, five hundred sixty-six thousand, one hundred sixty-one".