18887707116 has 24 divisors (see below), whose sum is σ = 48968129840. Its totient is φ = 6295902336.

The previous prime is 18887707109. The next prime is 18887707121. The reversal of 18887707116 is 61170778881.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87442981 + ... + 87443196.

Almost surely, 2^18887707116 is an apocalyptic number.

It is an amenable number.

18887707116 is an abundant number, since it is smaller than the sum of its proper divisors (30080422724).

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

18887707116 is a wasteful number, since it uses less digits than its factorization.

18887707116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174886190 (or 174886182 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 54.

The spelling of 18887707116 in words is "eighteen billion, eight hundred eighty-seven million, seven hundred seven thousand, one hundred sixteen".