1863738116 has 12 divisors (see below), whose sum is σ = 3403348032. Its totient is φ = 891352968.

The previous prime is 1863738113. The next prime is 1863738167. The reversal of 1863738116 is 6118373681.

It is not an unprimeable number, because it can be changed into a prime (1863738113) 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, 10128920 + ... + 10129103.

It is an arithmetic number, because the mean of its divisors is an integer number (283612336).

Almost surely, 2^1863738116 is an apocalyptic number.

It is an amenable number.

1863738116 is a deficient number, since it is larger than the sum of its proper divisors (1539609916).

1863738116 is a wasteful number, since it uses less digits than its factorization.

1863738116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20258050 (or 20258048 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 1863738116 is about 43171.0332978028. The cubic root of 1863738116 is about 1230.6322604837.

The spelling of 1863738116 in words is "one billion, eight hundred sixty-three million, seven hundred thirty-eight thousand, one hundred sixteen".