161950323 has 8 divisors (see below), whose sum is σ = 219156928. Its totient is φ = 106355304.

The previous prime is 161950301. The next prime is 161950331. The reversal of 161950323 is 323059161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161950323 - 2¹⁰ = 161949299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161950333) 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, 402661 + ... + 403062.

It is an arithmetic number, because the mean of its divisors is an integer number (27394616).

Almost surely, 2^161950323 is an apocalyptic number.

161950323 is a deficient number, since it is larger than the sum of its proper divisors (57206605).

161950323 is an equidigital number, since it uses as much as digits as its factorization.

161950323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805793.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 161950323 is about 12725.9704148642. The cubic root of 161950323 is about 545.0804504865.

The spelling of 161950323 in words is "one hundred sixty-one million, nine hundred fifty thousand, three hundred twenty-three".