16671696 has 40 divisors (see below), whose sum is σ = 45604224. Its totient is φ = 5230080.

The previous prime is 16671661. The next prime is 16671701. The reversal of 16671696 is 69617661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 11031.

Almost surely, 2^16671696 is an apocalyptic number.

16671696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16671696 is an abundant number, since it is smaller than the sum of its proper divisors (28932528).

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

16671696 is a wasteful number, since it uses less digits than its factorization.

16671696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20459 (or 20453 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 16671696 is about 4083.0988231979. The cubic root of 16671696 is about 255.4621683843.

The spelling of 16671696 in words is "sixteen million, six hundred seventy-one thousand, six hundred ninety-six".