1813685116 has 6 divisors (see below), whose sum is σ = 3173948960. Its totient is φ = 906842556.

The previous prime is 1813685063. The next prime is 1813685161. The reversal of 1813685116 is 6115863181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226710636 + ... + 226710643.

Almost surely, 2^1813685116 is an apocalyptic number.

It is an amenable number.

1813685116 is a deficient number, since it is larger than the sum of its proper divisors (1360263844).

1813685116 is a wasteful number, since it uses less digits than its factorization.

1813685116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453421283 (or 453421281 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 1813685116 is about 42587.3821219384. The cubic root of 1813685116 is about 1219.5154207389.

The spelling of 1813685116 in words is "one billion, eight hundred thirteen million, six hundred eighty-five thousand, one hundred sixteen".