16676672 has 14 divisors (see below), whose sum is σ = 33092898. Its totient is φ = 8338304.

The previous prime is 16676651. The next prime is 16676687. The reversal of 16676672 is 27667661.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 5494336 = 3344^2 + 2344^2 .

It is a super-2 number, since 2×16676672² = 556222777991168, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130223 + ... + 130350.

Almost surely, 2^16676672 is an apocalyptic number.

It is an amenable number.

16676672 is a deficient number, since it is larger than the sum of its proper divisors (16416226).

16676672 is an equidigital number, since it uses as much as digits as its factorization.

16676672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260585 (or 260575 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 16676672 is about 4083.7081188547. The cubic root of 16676672 is about 255.4875817816.

The spelling of 16676672 in words is "sixteen million, six hundred seventy-six thousand, six hundred seventy-two".