160993943 has 8 divisors (see below), whose sum is σ = 181295616. Its totient is φ = 141636600.

The previous prime is 160993939. The next prime is 160993957. The reversal of 160993943 is 349399061.

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 160993943 - 2² = 160993939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160993894 and 160993903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160993933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235721 + ... + 236402.

It is an arithmetic number, because the mean of its divisors is an integer number (22661952).

Almost surely, 2^160993943 is an apocalyptic number.

160993943 is a deficient number, since it is larger than the sum of its proper divisors (20301673).

160993943 is a wasteful number, since it uses less digits than its factorization.

160993943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472165.

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

The square root of 160993943 is about 12688.3388589681. The cubic root of 160993943 is about 544.0053603404.

The spelling of 160993943 in words is "one hundred sixty million, nine hundred ninety-three thousand, nine hundred forty-three".