16706672 has 10 divisors (see below), whose sum is σ = 32369208. Its totient is φ = 8353328.

The previous prime is 16706653. The next prime is 16706689. The reversal of 16706672 is 27660761.

It is a super-2 number, since 2×16706672² = 558225778631168, 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, 522068 + ... + 522099.

Almost surely, 2^16706672 is an apocalyptic number.

It is an amenable number.

16706672 is a deficient number, since it is larger than the sum of its proper divisors (15662536).

16706672 is a wasteful number, since it uses less digits than its factorization.

16706672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044175 (or 1044169 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 16706672 is about 4087.3796006733. The cubic root of 16706672 is about 255.6406905878.

The spelling of 16706672 in words is "sixteen million, seven hundred six thousand, six hundred seventy-two".