16672616 has 16 divisors (see below), whose sum is σ = 31690500. Its totient is φ = 8221824.

The previous prime is 16672613. The next prime is 16672619. The reversal of 16672616 is 61627661.

It is an interprime number because it is at equal distance from previous prime (16672613) and next prime (16672619).

It can be written as a sum of positive squares in 2 ways, for example, as 16370116 + 302500 = 4046^2 + 550^2 .

It is a super-2 number, since 2×16672616² = 555952248566912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16672613) 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, 13691 + ... + 14858.

Almost surely, 2^16672616 is an apocalyptic number.

It is an amenable number.

16672616 is a deficient number, since it is larger than the sum of its proper divisors (15017884).

16672616 is a wasteful number, since it uses less digits than its factorization.

16672616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28628 (or 28624 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 16672616 is about 4083.2114811751. The cubic root of 16672616 is about 255.4668673838.

The spelling of 16672616 in words is "sixteen million, six hundred seventy-two thousand, six hundred sixteen".