18069358 has 8 divisors (see below), whose sum is σ = 27486000. Its totient is φ = 8907360.

The previous prime is 18069353. The next prime is 18069367. The reversal of 18069358 is 85396081.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18069358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18069353) 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, 63483 + ... + 63766.

It is an arithmetic number, because the mean of its divisors is an integer number (3435750).

Almost surely, 2^18069358 is an apocalyptic number.

18069358 is a deficient number, since it is larger than the sum of its proper divisors (9416642).

18069358 is a wasteful number, since it uses less digits than its factorization.

18069358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127322.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 18069358 is about 4250.8067469599. The cubic root of 18069358 is about 262.4103179657.

The spelling of 18069358 in words is "eighteen million, sixty-nine thousand, three hundred fifty-eight".