161041055 has 32 divisors (see below), whose sum is σ = 242611200. Its totient is φ = 100058112.

The previous prime is 161041043. The next prime is 161041061. The reversal of 161041055 is 550140161.

It is not a de Polignac number, because 161041055 - 2⁴ = 161041039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 161041055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10031 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^161041055 is an apocalyptic number.

161041055 is a deficient number, since it is larger than the sum of its proper divisors (81570145).

161041055 is a wasteful number, since it uses less digits than its factorization.

161041055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 161041055 is about 12690.1952309647. The cubic root of 161041055 is about 544.0584196471.

The spelling of 161041055 in words is "one hundred sixty-one million, forty-one thousand, fifty-five".