18882518907 has 16 divisors (see below), whose sum is σ = 28856293632. Its totient is φ = 10758911520.

The previous prime is 18882518867. The next prime is 18882518917. The reversal of 18882518907 is 70981528881.

It is not a de Polignac number, because 18882518907 - 2¹⁶ = 18882453371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18882518917) 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, 1288344 + ... + 1302917.

It is an arithmetic number, because the mean of its divisors is an integer number (1803518352).

Almost surely, 2^18882518907 is an apocalyptic number.

18882518907 is a deficient number, since it is larger than the sum of its proper divisors (9973774725).

18882518907 is a wasteful number, since it uses less digits than its factorization.

18882518907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591618.

The product of its (nonzero) digits is 2580480, while the sum is 57.

The spelling of 18882518907 in words is "eighteen billion, eight hundred eighty-two million, five hundred eighteen thousand, nine hundred seven".