18119933 has 8 divisors (see below), whose sum is σ = 19577376. Its totient is φ = 16671600.

The previous prime is 18119921. The next prime is 18119963. The reversal of 18119933 is 33991181.

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 18119933 - 2⁴ = 18119917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18119893 and 18119902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18119963) 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, 2198 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (2447172).

Almost surely, 2^18119933 is an apocalyptic number.

18119933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18119933 is a deficient number, since it is larger than the sum of its proper divisors (1457443).

18119933 is a wasteful number, since it uses less digits than its factorization.

18119933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its digits is 5832, while the sum is 35.

The square root of 18119933 is about 4256.7514609148. The cubic root of 18119933 is about 262.6549132469.

The spelling of 18119933 in words is "eighteen million, one hundred nineteen thousand, nine hundred thirty-three".