16687017004 has 24 divisors (see below), whose sum is σ = 33546967328. Its totient is φ = 7114521600.

The previous prime is 16687016999. The next prime is 16687017019. The reversal of 16687017004 is 40071078661.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1538547 + ... + 1549354.

Almost surely, 2^16687017004 is an apocalyptic number.

16687017004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16687017004 is an abundant number, since it is smaller than the sum of its proper divisors (16859950324).

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

16687017004 is a wasteful number, since it uses less digits than its factorization.

16687017004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088105 (or 3088103 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 16687017004 in words is "sixteen billion, six hundred eighty-seven million, seventeen thousand, four".