2066799294 has 64 divisors (see below), whose sum is σ = 5257612800. Its totient is φ = 589546944.

The previous prime is 2066799283. The next prime is 2066799307. The reversal of 2066799294 is 4929976602.

2066799294 is a `hidden beast` number, since 206 + 67 + 99 + 294 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2066799294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244954 + ... + 253250.

It is an arithmetic number, because the mean of its divisors is an integer number (82150200).

Almost surely, 2^2066799294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066799294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628806400).

2066799294 is an abundant number, since it is smaller than the sum of its proper divisors (3190813506).

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

2066799294 is a wasteful number, since it uses less digits than its factorization.

2066799294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974 (or 8968 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2066799294 is about 45462.0643394028. The cubic root of 2066799294 is about 1273.7946920757.

The spelling of 2066799294 in words is "two billion, sixty-six million, seven hundred ninety-nine thousand, two hundred ninety-four".