2066620612 has 24 divisors (see below), whose sum is σ = 4203299520. Its totient is φ = 870682080.

The previous prime is 2066620609. The next prime is 2066620627. The reversal of 2066620612 is 2160266602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623839 + ... + 627142.

It is an arithmetic number, because the mean of its divisors is an integer number (175137480).

Almost surely, 2^2066620612 is an apocalyptic number.

It is an amenable number.

2066620612 is an abundant number, since it is smaller than the sum of its proper divisors (2136678908).

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

2066620612 is a wasteful number, since it uses less digits than its factorization.

2066620612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251051 (or 1251049 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2066620612 is about 45460.0991199975. The cubic root of 2066620612 is about 1273.7579830214.

The spelling of 2066620612 in words is "two billion, sixty-six million, six hundred twenty thousand, six hundred twelve".