2011731168 has 48 divisors (see below), whose sum is σ = 5304531456. Its totient is φ = 667562880.

The previous prime is 2011731157. The next prime is 2011731187. The reversal of 2011731168 is 8611371102.

2011731168 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 25578 + ... + 68393.

It is an arithmetic number, because the mean of its divisors is an integer number (110511072).

Almost surely, 2^2011731168 is an apocalyptic number.

It is an amenable number.

2011731168 is an abundant number, since it is smaller than the sum of its proper divisors (3292800288).

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

2011731168 is a wasteful number, since it uses less digits than its factorization.

2011731168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94207 (or 94199 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 2011731168 is about 44852.3262272984. The cubic root of 2011731168 is about 1262.3796400372.

The spelling of 2011731168 in words is "two billion, eleven million, seven hundred thirty-one thousand, one hundred sixty-eight".