2113540160 has 56 divisors (see below), whose sum is σ = 5155652376. Its totient is φ = 824791040.

The previous prime is 2113540129. The next prime is 2113540189. The reversal of 2113540160 is 610453112.

It can be written as a sum of positive squares in 4 ways, for example, as 42198016 + 2071342144 = 6496^2 + 45512^2 .

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, 67427 + ... + 93666.

It is an arithmetic number, because the mean of its divisors is an integer number (92065221).

Almost surely, 2^2113540160 is an apocalyptic number.

2113540160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113540160 is an abundant number, since it is smaller than the sum of its proper divisors (3042112216).

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

2113540160 is a wasteful number, since it uses less digits than its factorization.

2113540160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161151 (or 161141 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2113540160 is about 45973.2548336530. The cubic root of 2113540160 is about 1283.3255322327.

Adding to 2113540160 its reverse (610453112), we get a palindrome (2723993272).

The spelling of 2113540160 in words is "two billion, one hundred thirteen million, five hundred forty thousand, one hundred sixty".