2066137580 has 24 divisors (see below), whose sum is σ = 4672650192. Its totient is φ = 762881472.

The previous prime is 2066137571. The next prime is 2066137583. The reversal of 2066137580 is 857316602.

It is not an unprimeable number, because it can be changed into a prime (2066137583) 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 7 ways as a sum of consecutive naturals, for example, 3973082 + ... + 3973601.

It is an arithmetic number, because the mean of its divisors is an integer number (194693758).

Almost surely, 2^2066137580 is an apocalyptic number.

2066137580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066137580 is an abundant number, since it is smaller than the sum of its proper divisors (2606512612).

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

2066137580 is a wasteful number, since it uses less digits than its factorization.

2066137580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946705 (or 7946703 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2066137580 is about 45454.7861066357. The cubic root of 2066137580 is about 1273.6587366472.

The spelling of 2066137580 in words is "two billion, sixty-six million, one hundred thirty-seven thousand, five hundred eighty".