160939943 has 4 divisors (see below), whose sum is σ = 161223360. Its totient is φ = 160656528.

The previous prime is 160939939. The next prime is 160939967. The reversal of 160939943 is 349939061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349939061 = 1483 ⋅235967.

It is a cyclic number.

It is not a de Polignac number, because 160939943 - 2² = 160939939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160939894 and 160939903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160939903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140855 + ... + 141992.

It is an arithmetic number, because the mean of its divisors is an integer number (40305840).

Almost surely, 2^160939943 is an apocalyptic number.

160939943 is a deficient number, since it is larger than the sum of its proper divisors (283417).

160939943 is an equidigital number, since it uses as much as digits as its factorization.

160939943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283416.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 160939943 is about 12686.2107423769. The cubic root of 160939943 is about 543.9445307755.

The spelling of 160939943 in words is "one hundred sixty million, nine hundred thirty-nine thousand, nine hundred forty-three".