1816648112 has 20 divisors (see below), whose sum is σ = 3633297216. Its totient is φ = 879023040.

The previous prime is 1816648091. The next prime is 1816648147. The reversal of 1816648112 is 2118466181.

1816648112 is an admirable number.

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, 1830803 + ... + 1831794.

Almost surely, 2^1816648112 is an apocalyptic number.

It is an amenable number.

1816648112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1816648112 is a wasteful number, since it uses less digits than its factorization.

1816648112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662636 (or 3662630 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 1816648112 is about 42622.1551777946. The cubic root of 1816648112 is about 1220.1791620782.

The spelling of 1816648112 in words is "one billion, eight hundred sixteen million, six hundred forty-eight thousand, one hundred twelve".