18016834 has 8 divisors (see below), whose sum is σ = 29482128. Its totient is φ = 8189460.

The previous prime is 18016829. The next prime is 18016837. The reversal of 18016834 is 43861081.

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

It is a junction number, because it is equal to n+sod(n) for n = 18016796 and 18016805.

It is not an unprimeable number, because it can be changed into a prime (18016837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409452 + ... + 409495.

It is an arithmetic number, because the mean of its divisors is an integer number (3685266).

Almost surely, 2^18016834 is an apocalyptic number.

18016834 is a deficient number, since it is larger than the sum of its proper divisors (11465294).

18016834 is a wasteful number, since it uses less digits than its factorization.

18016834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818960.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18016834 is about 4244.6241294136. The cubic root of 18016834 is about 262.1558131515.

The spelling of 18016834 in words is "eighteen million, sixteen thousand, eight hundred thirty-four".