1983165512 has 16 divisors (see below), whose sum is σ = 3723257340. Its totient is φ = 990296896.

The previous prime is 1983165497. The next prime is 1983165533. The reversal of 1983165512 is 2155613891.

It can be written as a sum of positive squares in 2 ways, for example, as 1967277316 + 15888196 = 44354^2 + 3986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1983165512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154163 + ... + 166530.

Almost surely, 2^1983165512 is an apocalyptic number.

It is an amenable number.

1983165512 is a deficient number, since it is larger than the sum of its proper divisors (1740091828).

1983165512 is a wasteful number, since it uses less digits than its factorization.

1983165512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321472 (or 321468 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 1983165512 is about 44532.7465130998. The cubic root of 1983165512 is about 1256.3760639083.

The spelling of 1983165512 in words is "one billion, nine hundred eighty-three million, one hundred sixty-five thousand, five hundred twelve".