1618436112 has 40 divisors (see below), whose sum is σ = 4401012960. Its totient is φ = 511084800.

The previous prime is 1618436111. The next prime is 1618436137. The reversal of 1618436112 is 2116348161.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1618436111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886389 + ... + 888212.

It is an arithmetic number, because the mean of its divisors is an integer number (110025324).

Almost surely, 2^1618436112 is an apocalyptic number.

1618436112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1618436112 is an abundant number, since it is smaller than the sum of its proper divisors (2782576848).

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

1618436112 is a wasteful number, since it uses less digits than its factorization.

1618436112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774631 (or 1774625 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1618436112 is about 40229.7913491979. The cubic root of 1618436112 is about 1174.0822438506.

The spelling of 1618436112 in words is "one billion, six hundred eighteen million, four hundred thirty-six thousand, one hundred twelve".