160020111 has 4 divisors (see below), whose sum is σ = 213360152. Its totient is φ = 106680072.

The previous prime is 160020103. The next prime is 160020121. The reversal of 160020111 is 111020061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 160020111 - 2³ = 160020103 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 (160020121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26670016 + ... + 26670021.

It is an arithmetic number, because the mean of its divisors is an integer number (53340038).

Almost surely, 2^160020111 is an apocalyptic number.

160020111 is a deficient number, since it is larger than the sum of its proper divisors (53340041).

160020111 is an equidigital number, since it uses as much as digits as its factorization.

160020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53340040.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 160020111 is about 12649.9055727701. The cubic root of 160020111 is about 542.9062680547.

Adding to 160020111 its reverse (111020061), we get a palindrome (271040172).

Subtracting from 160020111 its reverse (111020061), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 160020111 in words is "one hundred sixty million, twenty thousand, one hundred eleven".