161058 has 16 divisors (see below), whose sum is σ = 341280. Its totient is φ = 50496.

The previous prime is 161053. The next prime is 161059. The reversal of 161058 is 850161.

It is a super-3 number, since 3×161058³ = 12533378637021336, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161058.

It is not an unprimeable number, because it can be changed into a prime (161053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (21330).

161058 is a Friedman number, since it can be written as 11^5+8-6^0, using all its digits and the basic arithmetic operations.

2¹⁶¹⁰⁵⁸ is an apocalyptic number.

161058 is an abundant number, since it is smaller than the sum of its proper divisors (180222).

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

161058 is a wasteful number, since it uses less digits than its factorization.

161058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 161058 is about 401.3203209408. The cubic root of 161058 is about 54.4077501213.

The spelling of 161058 in words is "one hundred sixty-one thousand, fifty-eight".