16487994675 has 18 divisors (see below), whose sum is σ = 27261989868. Its totient is φ = 8793004080.

The previous prime is 16487994643. The next prime is 16487994701. The reversal of 16487994675 is 57649978461.

It is not a de Polignac number, because 16487994675 - 2⁵ = 16487994643 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 1104612 + ... + 1119438.

Almost surely, 2^16487994675 is an apocalyptic number.

16487994675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16487994675 is a deficient number, since it is larger than the sum of its proper divisors (10773995193).

16487994675 is an frugal number, since it uses more digits than its factorization.

16487994675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29667 (or 14835 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The spelling of 16487994675 in words is "sixteen billion, four hundred eighty-seven million, nine hundred ninety-four thousand, six hundred seventy-five".