161600033 has 8 divisors (see below), whose sum is σ = 185494080. Its totient is φ = 137908080.

The previous prime is 161600029. The next prime is 161600069. The reversal of 161600033 is 330006161.

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 161600033 - 2² = 161600029 is a prime.

It is a super-2 number, since 2×161600033² = 52229141331202178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161599978 and 161600014.

It is not an unprimeable number, because it can be changed into a prime (161600003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48803 + ... + 52008.

It is an arithmetic number, because the mean of its divisors is an integer number (23186760).

Almost surely, 2^161600033 is an apocalyptic number.

It is an amenable number.

161600033 is a deficient number, since it is larger than the sum of its proper divisors (23894047).

161600033 is a wasteful number, since it uses less digits than its factorization.

161600033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101047.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 161600033 is about 12712.2001636223. The cubic root of 161600033 is about 544.6871733902.

Adding to 161600033 its reverse (330006161), we get a palindrome (491606194).

The spelling of 161600033 in words is "one hundred sixty-one million, six hundred thousand, thirty-three".