16697672 has 16 divisors (see below), whose sum is σ = 33150060. Its totient is φ = 7857664.

The previous prime is 16697669. The next prime is 16697683. The reversal of 16697672 is 27679661.

It can be written as a sum of positive squares in 2 ways, for example, as 16048036 + 649636 = 4006^2 + 806^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61253 + ... + 61524.

Almost surely, 2^16697672 is an apocalyptic number.

It is an amenable number.

16697672 is a deficient number, since it is larger than the sum of its proper divisors (16452388).

16697672 is a wasteful number, since it uses less digits than its factorization.

16697672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122800 (or 122796 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 16697672 is about 4086.2785025008. The cubic root of 16697672 is about 255.5947772049.

The spelling of 16697672 in words is "sixteen million, six hundred ninety-seven thousand, six hundred seventy-two".