16734944987 has 8 divisors (see below), whose sum is σ = 17053722720. Its totient is φ = 16416279360.

The previous prime is 16734944977. The next prime is 16734945011. The reversal of 16734944987 is 78944943761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16734944987 - 2¹² = 16734940891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16734944957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312314 + ... + 361952.

It is an arithmetic number, because the mean of its divisors is an integer number (2131715340).

Almost surely, 2^16734944987 is an apocalyptic number.

16734944987 is a deficient number, since it is larger than the sum of its proper divisors (318777733).

16734944987 is an equidigital number, since it uses as much as digits as its factorization.

16734944987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56053.

The product of its digits is 36578304, while the sum is 62.

The spelling of 16734944987 in words is "sixteen billion, seven hundred thirty-four million, nine hundred forty-four thousand, nine hundred eighty-seven".