2066667210 has 40 divisors (see below), whose sum is σ = 5557040676. Its totient is φ = 551111040.

The previous prime is 2066667179. The next prime is 2066667217. The reversal of 2066667210 is 127666602.

It can be written as a sum of positive squares in 2 ways, for example, as 1907680329 + 158986881 = 43677^2 + 12609^2 .

It is a super-2 number, since 2×2066667210² = 8542226713778368200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2066667217) 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 19 ways as a sum of consecutive naturals, for example, 1274911 + ... + 1276530.

Almost surely, 2^2066667210 is an apocalyptic number.

2066667210 is an abundant number, since it is smaller than the sum of its proper divisors (3490373466).

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

2066667210 is a wasteful number, since it uses less digits than its factorization.

2066667210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551460 (or 2551451 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2066667210 is about 45460.6116324891. The cubic root of 2066667210 is about 1273.7675564812.

The spelling of 2066667210 in words is "two billion, sixty-six million, six hundred sixty-seven thousand, two hundred ten".