160555111 has 24 divisors (see below), whose sum is σ = 180283104. Its totient is φ = 142655040.

The previous prime is 160555103. The next prime is 160555127. The reversal of 160555111 is 111555061.

It is not a de Polignac number, because 160555111 - 2³ = 160555103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160555141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506325 + ... + 506641.

It is an arithmetic number, because the mean of its divisors is an integer number (7511796).

Almost surely, 2^160555111 is an apocalyptic number.

160555111 is a deficient number, since it is larger than the sum of its proper divisors (19727993).

160555111 is a wasteful number, since it uses less digits than its factorization.

160555111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 160555111 is about 12671.0343303142. The cubic root of 160555111 is about 543.5106332519.

Subtracting from 160555111 its reverse (111555061), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 160555111 in words is "one hundred sixty million, five hundred fifty-five thousand, one hundred eleven".