1618368112 has 40 divisors (see below), whose sum is σ = 3214080000. Its totient is φ = 789147072.

The previous prime is 1618368071. The next prime is 1618368121. The reversal of 1618368112 is 2118638161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113139 + ... + 126637.

It is an arithmetic number, because the mean of its divisors is an integer number (80352000).

Almost surely, 2^1618368112 is an apocalyptic number.

It is an amenable number.

1618368112 is a deficient number, since it is larger than the sum of its proper divisors (1595711888).

1618368112 is a wasteful number, since it uses less digits than its factorization.

1618368112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693 (or 13687 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1618368112 is about 40228.9461954946. The cubic root of 1618368112 is about 1174.0658002583.

The spelling of 1618368112 in words is "one billion, six hundred eighteen million, three hundred sixty-eight thousand, one hundred twelve".