16687488870 has 48 divisors (see below), whose sum is σ = 46724972112. Its totient is φ = 4107689280.

The previous prime is 16687488863. The next prime is 16687488913. The reversal of 16687488870 is 7888478661.

16687488870 is a `hidden beast` number, since 1 + 6 + 6 + 87 + 488 + 8 + 70 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16687488798 and 16687488807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7130236 + ... + 7132575.

It is an arithmetic number, because the mean of its divisors is an integer number (973436919).

Almost surely, 2^16687488870 is an apocalyptic number.

16687488870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16687488870 is an abundant number, since it is smaller than the sum of its proper divisors (30037483242).

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

16687488870 is a wasteful number, since it uses less digits than its factorization.

16687488870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262837 (or 14262834 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 16687488870 in words is "sixteen billion, six hundred eighty-seven million, four hundred eighty-eight thousand, eight hundred seventy".