18190079 has 8 divisors (see below), whose sum is σ = 19049472. Its totient is φ = 17336440.

The previous prime is 18190063. The next prime is 18190093. The reversal of 18190079 is 97009181.

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 18190079 - 2⁴ = 18190063 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18190009) 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, 5882 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (2381184).

Almost surely, 2^18190079 is an apocalyptic number.

18190079 is a deficient number, since it is larger than the sum of its proper divisors (859393).

18190079 is a wasteful number, since it uses less digits than its factorization.

18190079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 18190079 is about 4264.9828839047. The cubic root of 18190079 is about 262.9934072861.

The spelling of 18190079 in words is "eighteen million, one hundred ninety thousand, seventy-nine".