16487926866 has 16 divisors (see below), whose sum is σ = 36639837600. Its totient is φ = 5495975604.

The previous prime is 16487926801. The next prime is 16487926883. The reversal of 16487926866 is 66862978461.

16487926866 is a `hidden beast` number, since 1 + 6 + 487 + 92 + 6 + 8 + 66 = 666.

16487926866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 152665936 + ... + 152666043.

It is an arithmetic number, because the mean of its divisors is an integer number (2289989850).

Almost surely, 2^16487926866 is an apocalyptic number.

16487926866 is an abundant number, since it is smaller than the sum of its proper divisors (20151910734).

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

16487926866 is a wasteful number, since it uses less digits than its factorization.

16487926866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305331990 (or 305331984 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 16487926866 in words is "sixteen billion, four hundred eighty-seven million, nine hundred twenty-six thousand, eight hundred sixty-six".