161068032 has 66 divisors (see below), whose sum is σ = 465107058. Its totient is φ = 53686272.

The previous prime is 161068009. The next prime is 161068043. The reversal of 161068032 is 230860161.

It can be written as a sum of positive squares in only one way, i.e., 103550976 + 57517056 = 10176^2 + 7584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 161067987 and 161068005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478 + ... + 17954.

Almost surely, 2^161068032 is an apocalyptic number.

161068032 is a gapful number since it is divisible by the number (12) 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 161068032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232553529).

161068032 is an abundant number, since it is smaller than the sum of its proper divisors (304039026).

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

161068032 is a wasteful number, since it uses less digits than its factorization.

161068032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503 (or 17482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 161068032 is about 12691.2580936643. The cubic root of 161068032 is about 544.0887975001.

The spelling of 161068032 in words is "one hundred sixty-one million, sixty-eight thousand, thirty-two".