18607880128 has 56 divisors (see below), whose sum is σ = 41154858000. Its totient is φ = 8295763968.

The previous prime is 18607880117. The next prime is 18607880129. The reversal of 18607880128 is 82108870681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18607880129) by changing a digit.

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, 429403 + ... + 470746.

Almost surely, 2^18607880128 is an apocalyptic number.

It is an amenable number.

18607880128 is an abundant number, since it is smaller than the sum of its proper divisors (22546977872).

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

18607880128 is a wasteful number, since it uses less digits than its factorization.

18607880128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900197 (or 900187 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 49.

The spelling of 18607880128 in words is "eighteen billion, six hundred seven million, eight hundred eighty thousand, one hundred twenty-eight".