2066899149 has 12 divisors (see below), whose sum is σ = 3412024096. Its totient is φ = 1181085192.

The previous prime is 2066899139. The next prime is 2066899207. The reversal of 2066899149 is 9419986602.

It is not a de Polignac number, because 2066899149 - 2⁸ = 2066898893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066899095 and 2066899104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066899129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16403899 + ... + 16404024.

Almost surely, 2^2066899149 is an apocalyptic number.

It is an amenable number.

2066899149 is a deficient number, since it is larger than the sum of its proper divisors (1345124947).

2066899149 is a wasteful number, since it uses less digits than its factorization.

2066899149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32807936 (or 32807933 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2066899149 is about 45463.1625494752. The cubic root of 2066899149 is about 1273.8152057142.

The spelling of 2066899149 in words is "two billion, sixty-six million, eight hundred ninety-nine thousand, one hundred forty-nine".