2011332168 has 32 divisors (see below), whose sum is σ = 5587034400. Its totient is φ = 670443984.

The previous prime is 2011332163. The next prime is 2011332217. The reversal of 2011332168 is 8612331102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2011332163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655646 + ... + 4656077.

It is an arithmetic number, because the mean of its divisors is an integer number (174594825).

Almost surely, 2^2011332168 is an apocalyptic number.

It is an amenable number.

2011332168 is an abundant number, since it is smaller than the sum of its proper divisors (3575702232).

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

2011332168 is a wasteful number, since it uses less digits than its factorization.

2011332168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311738 (or 9311728 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2011332168 is about 44847.8780768946. The cubic root of 2011332168 is about 1262.2961758070.

The spelling of 2011332168 in words is "two billion, eleven million, three hundred thirty-two thousand, one hundred sixty-eight".