2065671616 has 28 divisors (see below), whose sum is σ = 4124235592. Its totient is φ = 1026494208.

The previous prime is 2065671613. The next prime is 2065671677. The reversal of 2065671616 is 6161765602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065671613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88575 + ... + 109438.

Almost surely, 2^2065671616 is an apocalyptic number.

It is an amenable number.

2065671616 is a deficient number, since it is larger than the sum of its proper divisors (2058563976).

2065671616 is a wasteful number, since it uses less digits than its factorization.

2065671616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198188 (or 198178 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2065671616 is about 45449.6602407543. The cubic root of 2065671616 is about 1273.5629824977.

The spelling of 2065671616 in words is "two billion, sixty-five million, six hundred seventy-one thousand, six hundred sixteen".