18190006793 has 8 divisors (see below), whose sum is σ = 20887104960. Its totient is φ = 15517540080.

The previous prime is 18190006789. The next prime is 18190006799. The reversal of 18190006793 is 39760009181.

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

It is not a de Polignac number, because 18190006793 - 2² = 18190006789 is a prime.

It is a super-2 number, since 2×18190006793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18190006799) 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, 6156278 + ... + 6159231.

It is an arithmetic number, because the mean of its divisors is an integer number (2610888120).

Almost surely, 2^18190006793 is an apocalyptic number.

It is an amenable number.

18190006793 is a deficient number, since it is larger than the sum of its proper divisors (2697098167).

18190006793 is a wasteful number, since it uses less digits than its factorization.

18190006793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315727.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 18190006793 in words is "eighteen billion, one hundred ninety million, six thousand, seven hundred ninety-three".