161486328143 has 8 divisors (see below), whose sum is σ = 184593361920. Its totient is φ = 138388683960.

The previous prime is 161486328139. The next prime is 161486328149. The reversal of 161486328143 is 341823684161.

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 161486328143 - 2² = 161486328139 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 (161486328149) 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, 2310503 + ... + 2379368.

It is an arithmetic number, because the mean of its divisors is an integer number (23074170240).

Almost surely, 2^161486328143 is an apocalyptic number.

161486328143 is a deficient number, since it is larger than the sum of its proper divisors (23107033777).

161486328143 is an equidigital number, since it uses as much as digits as its factorization.

161486328143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694797.

The product of its digits is 663552, while the sum is 47.

The spelling of 161486328143 in words is "one hundred sixty-one billion, four hundred eighty-six million, three hundred twenty-eight thousand, one hundred forty-three".