2067798565 has 16 divisors (see below), whose sum is σ = 2836961280. Its totient is φ = 1417357440.

The previous prime is 2067798527. The next prime is 2067798581. The reversal of 2067798565 is 5658977602.

It is not a de Polignac number, because 2067798565 - 2¹¹ = 2067796517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90505 + ... + 111025.

It is an arithmetic number, because the mean of its divisors is an integer number (177310080).

Almost surely, 2^2067798565 is an apocalyptic number.

It is an amenable number.

2067798565 is a deficient number, since it is larger than the sum of its proper divisors (769162715).

2067798565 is a wasteful number, since it uses less digits than its factorization.

2067798565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23412.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The square root of 2067798565 is about 45473.0531743801. The cubic root of 2067798565 is about 1273.9999468088. Note that the first 4 decimals are identical.

The spelling of 2067798565 in words is "two billion, sixty-seven million, seven hundred ninety-eight thousand, five hundred sixty-five".