16708084985 has 8 divisors (see below), whose sum is σ = 20050612296. Its totient is φ = 13365861120.

The previous prime is 16708084961. The next prime is 16708084999. The reversal of 16708084985 is 58948080761.

It can be written as a sum of positive squares in 4 ways, for example, as 105247081 + 16602837904 = 10259^2 + 128852^2 .

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

It is not a de Polignac number, because 16708084985 - 2¹² = 16708080889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16708084985.

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, 71195 + ... + 196175.

It is an arithmetic number, because the mean of its divisors is an integer number (2506326537).

Almost surely, 2^16708084985 is an apocalyptic number.

It is an amenable number.

16708084985 is a deficient number, since it is larger than the sum of its proper divisors (3342527311).

16708084985 is a wasteful number, since it uses less digits than its factorization.

16708084985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151723.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 16708084985 in words is "sixteen billion, seven hundred eight million, eighty-four thousand, nine hundred eighty-five".