18099279006 has 16 divisors (see below), whose sum is σ = 36203053584. Its totient is φ = 6032343744.

The previous prime is 18099278999. The next prime is 18099279013. The reversal of 18099279006 is 60097299081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18099278999) and next prime (18099279013).

It is a self number, because there is not a number n which added to its sum of digits gives 18099279006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133801 + ... + 232596.

It is an arithmetic number, because the mean of its divisors is an integer number (2262690849).

Almost surely, 2^18099279006 is an apocalyptic number.

18099279006 is an abundant number, since it is smaller than the sum of its proper divisors (18103774578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18099279006 is a wasteful number, since it uses less digits than its factorization.

18099279006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374635.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 18099279006 in words is "eighteen billion, ninety-nine million, two hundred seventy-nine thousand, six".