2066013612 has 72 divisors (see below), whose sum is σ = 5645399760. Its totient is φ = 633294720.

The previous prime is 2066013601. The next prime is 2066013619. The reversal of 2066013612 is 2163106602.

2066013612 is a `hidden beast` number, since 20 + 6 + 601 + 36 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2066013619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117687 + ... + 134097.

It is an arithmetic number, because the mean of its divisors is an integer number (78408330).

Almost surely, 2^2066013612 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 2066013612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822699880).

2066013612 is an abundant number, since it is smaller than the sum of its proper divisors (3579386148).

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

2066013612 is a wasteful number, since it uses less digits than its factorization.

2066013612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16703 (or 16698 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2066013612 is about 45453.4224454001. The cubic root of 2066013612 is about 1273.6332630153.

The spelling of 2066013612 in words is "two billion, sixty-six million, thirteen thousand, six hundred twelve".