16687488708 has 36 divisors (see below), whose sum is σ = 46017015408. Its totient is φ = 5056814640.

The previous prime is 16687488703. The next prime is 16687488731. The reversal of 16687488708 is 80788478661.

16687488708 is a `hidden beast` number, since 1 + 6 + 6 + 87 + 488 + 70 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16687488703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21069666 + ... + 21070457.

It is an arithmetic number, because the mean of its divisors is an integer number (1278250428).

Almost surely, 2^16687488708 is an apocalyptic number.

16687488708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16687488708 is an abundant number, since it is smaller than the sum of its proper divisors (29329526700).

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

16687488708 is a wasteful number, since it uses less digits than its factorization.

16687488708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42140144 (or 42140139 counting only the distinct ones).

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

The spelling of 16687488708 in words is "sixteen billion, six hundred eighty-seven million, four hundred eighty-eight thousand, seven hundred eight".