18112463 has 8 divisors (see below), whose sum is σ = 19797120. Its totient is φ = 16496640.

The previous prime is 18112459. The next prime is 18112481. The reversal of 18112463 is 36421181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18112463 - 2² = 18112459 is a prime.

It is a super-2 number, since 2×18112463² = 656122631852738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18112483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16658 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (2474640).

Almost surely, 2^18112463 is an apocalyptic number.

18112463 is a deficient number, since it is larger than the sum of its proper divisors (1684657).

18112463 is a wasteful number, since it uses less digits than its factorization.

18112463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34417.

The product of its digits is 1152, while the sum is 26.

The square root of 18112463 is about 4255.8739408023. The cubic root of 18112463 is about 262.6188148449.

The spelling of 18112463 in words is "eighteen million, one hundred twelve thousand, four hundred sixty-three".