2065755766 has 8 divisors (see below), whose sum is σ = 3105693360. Its totient is φ = 1030524648.

The previous prime is 2065755761. The next prime is 2065755781. The reversal of 2065755766 is 6675575602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065755761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175521 + ... + 1177276.

It is an arithmetic number, because the mean of its divisors is an integer number (388211670).

Almost surely, 2^2065755766 is an apocalyptic number.

2065755766 is a deficient number, since it is larger than the sum of its proper divisors (1039937594).

2065755766 is a wasteful number, since it uses less digits than its factorization.

2065755766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353238.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The square root of 2065755766 is about 45450.5859808210. The cubic root of 2065755766 is about 1273.5802761258.

The spelling of 2065755766 in words is "two billion, sixty-five million, seven hundred fifty-five thousand, seven hundred sixty-six".