329996161 has 16 divisors (see below), whose sum is σ = 382104000. Its totient is φ = 284185440.

The previous prime is 329996141. The next prime is 329996171. The reversal of 329996161 is 161699923.

It is not a de Polignac number, because 329996161 - 2¹⁷ = 329865089 is a prime.

It is a super-3 number, since 3×329996161³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329996101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18765 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (23881500).

Almost surely, 2^329996161 is an apocalyptic number.

It is an amenable number.

329996161 is a deficient number, since it is larger than the sum of its proper divisors (52107839).

329996161 is a wasteful number, since it uses less digits than its factorization.

329996161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101 (or 13079 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The square root of 329996161 is about 18165.7964592803. The cubic root of 329996161 is about 691.0396432822.

The spelling of 329996161 in words is "three hundred twenty-nine million, nine hundred ninety-six thousand, one hundred sixty-one".