161838068 has 24 divisors (see below), whose sum is σ = 331205952. Its totient is φ = 67745664.

The previous prime is 161838059. The next prime is 161838071. The reversal of 161838068 is 860838161.

161838068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66005 + ... + 68412.

It is an arithmetic number, because the mean of its divisors is an integer number (13800248).

Almost surely, 2^161838068 is an apocalyptic number.

It is an amenable number.

161838068 is an abundant number, since it is smaller than the sum of its proper divisors (169367884).

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

161838068 is a wasteful number, since it uses less digits than its factorization.

161838068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134471 (or 134469 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 161838068 is about 12721.5591811696. The cubic root of 161838068 is about 544.9544815111.

The spelling of 161838068 in words is "one hundred sixty-one million, eight hundred thirty-eight thousand, sixty-eight".