1118285916 has 48 divisors (see below), whose sum is σ = 2893231488. Its totient is φ = 333316800.

The previous prime is 1118285893. The next prime is 1118285939. The reversal of 1118285916 is 6195828111.

It is an interprime number because it is at equal distance from previous prime (1118285893) and next prime (1118285939).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61390 + ... + 77493.

It is an arithmetic number, because the mean of its divisors is an integer number (60275656).

Almost surely, 2^1118285916 is an apocalyptic number.

It is an amenable number.

1118285916 is an abundant number, since it is smaller than the sum of its proper divisors (1774945572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118285916 is a wasteful number, since it uses less digits than its factorization.

1118285916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138962 (or 138960 counting only the distinct ones).

The product of its digits is 34560, while the sum is 42.

The square root of 1118285916 is about 33440.7822276932. The cubic root of 1118285916 is about 1037.9687658824.

The spelling of 1118285916 in words is "one billion, one hundred eighteen million, two hundred eighty-five thousand, nine hundred sixteen".