161833112 has 16 divisors (see below), whose sum is σ = 346785360. Its totient is φ = 69357024.

The previous prime is 161833103. The next prime is 161833121. The reversal of 161833112 is 211338161.

It is an interprime number because it is at equal distance from previous prime (161833103) and next prime (161833121).

It is a super-2 number, since 2×161833112² = 52379912279209088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1444883 + ... + 1444994.

It is an arithmetic number, because the mean of its divisors is an integer number (21674085).

Almost surely, 2^161833112 is an apocalyptic number.

It is an amenable number.

161833112 is an abundant number, since it is smaller than the sum of its proper divisors (184952248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161833112 is a wasteful number, since it uses less digits than its factorization.

161833112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889890 (or 2889886 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 161833112 is about 12721.3643922340. The cubic root of 161833112 is about 544.9489187037.

The spelling of 161833112 in words is "one hundred sixty-one million, eight hundred thirty-three thousand, one hundred twelve".