18158748303 has 16 divisors (see below), whose sum is σ = 24439466240. Its totient is φ = 11992314816.

The previous prime is 18158748277. The next prime is 18158748317. The reversal of 18158748303 is 30384785181.

It is a happy number.

It is not a de Polignac number, because 18158748303 - 2²⁰ = 18157699727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18158748353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142926 + ... + 238212.

It is an arithmetic number, because the mean of its divisors is an integer number (1527466640).

Almost surely, 2^18158748303 is an apocalyptic number.

18158748303 is a deficient number, since it is larger than the sum of its proper divisors (6280717937).

18158748303 is a wasteful number, since it uses less digits than its factorization.

18158748303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95886.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 18158748303 in words is "eighteen billion, one hundred fifty-eight million, seven hundred forty-eight thousand, three hundred three".