2066700180 has 48 divisors (see below), whose sum is σ = 5790887424. Its totient is φ = 550727040.

The previous prime is 2066700113. The next prime is 2066700187. The reversal of 2066700180 is 810076602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066700187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 78045 + ... + 101115.

It is an arithmetic number, because the mean of its divisors is an integer number (120643488).

Almost surely, 2^2066700180 is an apocalyptic number.

2066700180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066700180 is an abundant number, since it is smaller than the sum of its proper divisors (3724187244).

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

2066700180 is a wasteful number, since it uses less digits than its factorization.

2066700180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24576 (or 24574 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2066700180 is about 45460.9742526488. The cubic root of 2066700180 is about 1273.7743300106.

Adding to 2066700180 its reverse (810076602), we get a palindrome (2876776782).

The spelling of 2066700180 in words is "two billion, sixty-six million, seven hundred thousand, one hundred eighty".