2066798965 has 16 divisors (see below), whose sum is σ = 3092146560. Its totient is φ = 1288393920.

The previous prime is 2066798959. The next prime is 2066799017. The reversal of 2066798965 is 5698976602.

It is not a de Polignac number, because 2066798965 - 2³ = 2066798957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683770 + ... + 2684539.

It is an arithmetic number, because the mean of its divisors is an integer number (193259160).

Almost surely, 2^2066798965 is an apocalyptic number.

It is an amenable number.

2066798965 is a deficient number, since it is larger than the sum of its proper divisors (1025347595).

2066798965 is a wasteful number, since it uses less digits than its factorization.

2066798965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368332.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 2066798965 is about 45462.0607210012. The cubic root of 2066798965 is about 1273.7946244867.

The spelling of 2066798965 in words is "two billion, sixty-six million, seven hundred ninety-eight thousand, nine hundred sixty-five".