161030443 has 8 divisors (see below), whose sum is σ = 194860512. Its totient is φ = 129906816.

The previous prime is 161030357. The next prime is 161030447. The reversal of 161030443 is 344030161.

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 161030443 - 2⁹ = 161029931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161030447) 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, 676480 + ... + 676717.

It is an arithmetic number, because the mean of its divisors is an integer number (24357564).

Almost surely, 2^161030443 is an apocalyptic number.

161030443 is a deficient number, since it is larger than the sum of its proper divisors (33830069).

161030443 is a wasteful number, since it uses less digits than its factorization.

161030443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353221.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 161030443 is about 12689.7771060015. Note that the first 3 decimals coincide. The cubic root of 161030443 is about 544.0464689165.

The spelling of 161030443 in words is "one hundred sixty-one million, thirty thousand, four hundred forty-three".