16676768 has 24 divisors (see below), whose sum is σ = 33455268. Its totient is φ = 8180224.

The previous prime is 16676767. The next prime is 16676789. The reversal of 16676768 is 86767661.

It can be written as a sum of positive squares in 2 ways, for example, as 16418704 + 258064 = 4052^2 + 508^2 .

It is a super-2 number, since 2×16676768² = 556229181851648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16676761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3221 + ... + 6612.

Almost surely, 2^16676768 is an apocalyptic number.

It is an amenable number.

16676768 is an abundant number, since it is smaller than the sum of its proper divisors (16778500).

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

16676768 is an equidigital number, since it uses as much as digits as its factorization.

16676768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896 (or 9888 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 16676768 is about 4083.7198728610. The cubic root of 16676768 is about 255.4880720225.

The spelling of 16676768 in words is "sixteen million, six hundred seventy-six thousand, seven hundred sixty-eight".