2061849168 has 120 divisors (see below), whose sum is σ = 6244475328. Its totient is φ = 657372672.

The previous prime is 2061849151. The next prime is 2061849173. The reversal of 2061849168 is 8619481602.

2061849168 is a `hidden beast` number, since 20 + 618 + 4 + 9 + 1 + 6 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77896 + ... + 100952.

Almost surely, 2^2061849168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061849168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3122237664).

2061849168 is an abundant number, since it is smaller than the sum of its proper divisors (4182626160).

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

2061849168 is a wasteful number, since it uses less digits than its factorization.

2061849168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103 (or 23085 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2061849168 is about 45407.5893216101. The cubic root of 2061849168 is about 1272.7769372407.

The spelling of 2061849168 in words is "two billion, sixty-one million, eight hundred forty-nine thousand, one hundred sixty-eight".