16775111168 has 20 divisors (see below), whose sum is σ = 33517459470. Its totient is φ = 8387555328.

The previous prime is 16775111123. The next prime is 16775111201. The reversal of 16775111168 is 86111157761.

It can be written as a sum of positive squares in only one way, i.e., 14720483584 + 2054627584 = 121328^2 + 45328^2 .

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 as a sum of consecutive naturals, namely, 16381433 + ... + 16382456.

Almost surely, 2^16775111168 is an apocalyptic number.

It is an amenable number.

16775111168 is a deficient number, since it is larger than the sum of its proper divisors (16742348302).

16775111168 is an frugal number, since it uses more digits than its factorization.

16775111168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32763907 (or 32763891 counting only the distinct ones).

The product of its digits is 70560, while the sum is 44.

The spelling of 16775111168 in words is "sixteen billion, seven hundred seventy-five million, one hundred eleven thousand, one hundred sixty-eight".