2066582061 has 12 divisors (see below), whose sum is σ = 2985558940. Its totient is φ = 1377492480.

The previous prime is 2066582059. The next prime is 2066582069. The reversal of 2066582061 is 1602856602.

It can be written as a sum of positive squares in 2 ways, for example, as 1714456836 + 352125225 = 41406^2 + 18765^2 .

It is not a de Polignac number, because 2066582061 - 2¹ = 2066582059 is a prime.

It is a super-2 number, since 2×2066582061² = 8541522829694015442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066582069) by changing a digit.

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, 52071 + ... + 82731.

Almost surely, 2^2066582061 is an apocalyptic number.

It is an amenable number.

2066582061 is a deficient number, since it is larger than the sum of its proper divisors (918976879).

2066582061 is a wasteful number, since it uses less digits than its factorization.

2066582061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38156 (or 38153 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2066582061 is about 45459.6751088258. The cubic root of 2066582061 is about 1273.7500626917.

The spelling of 2066582061 in words is "two billion, sixty-six million, five hundred eighty-two thousand, sixty-one".