2067765616 has 20 divisors (see below), whose sum is σ = 4578624112. Its totient is φ = 886185216.

The previous prime is 2067765599. The next prime is 2067765647. The reversal of 2067765616 is 6165677602.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9230985 + ... + 9231208.

Almost surely, 2^2067765616 is an apocalyptic number.

It is an amenable number.

2067765616 is an abundant number, since it is smaller than the sum of its proper divisors (2510858496).

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

2067765616 is a wasteful number, since it uses less digits than its factorization.

2067765616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462208 (or 18462202 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 2067765616 is about 45472.6908814510. The cubic root of 2067765616 is about 1273.9931799912.

The spelling of 2067765616 in words is "two billion, sixty-seven million, seven hundred sixty-five thousand, six hundred sixteen".