2066062644 has 36 divisors (see below), whose sum is σ = 5294095716. Its totient is φ = 679252608.

The previous prime is 2066062633. The next prime is 2066062651. The reversal of 2066062644 is 4462606602.

2066062644 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 0 + 6 + 2 + 644 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1338681744 + 727380900 = 36588^2 + 26970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2066062644² = 8537229697864541472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2066062599 and 2066062608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390459 + ... + 395714.

Almost surely, 2^2066062644 is an apocalyptic number.

It is an amenable number.

2066062644 is an abundant number, since it is smaller than the sum of its proper divisors (3228033072).

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

2066062644 is a wasteful number, since it uses less digits than its factorization.

2066062644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786256 (or 786251 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2066062644 is about 45453.9618075256. The cubic root of 2066062644 is about 1273.6433385043.

The spelling of 2066062644 in words is "two billion, sixty-six million, sixty-two thousand, six hundred forty-four".