161833056 has 96 divisors (see below), whose sum is σ = 529659648. Its totient is φ = 42032640.

The previous prime is 161833039. The next prime is 161833097. The reversal of 161833056 is 650338161.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (5517288).

Almost surely, 2^161833056 is an apocalyptic number.

161833056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161833056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264829824).

161833056 is an abundant number, since it is smaller than the sum of its proper divisors (367826592).

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

161833056 is a wasteful number, since it uses less digits than its factorization.

161833056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21924 (or 21916 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 161833056 is about 12721.3621912121. The cubic root of 161833056 is about 544.9488558465.

The spelling of 161833056 in words is "one hundred sixty-one million, eight hundred thirty-three thousand, fifty-six".