16677671 has 4 divisors (see below), whose sum is σ = 16780152. Its totient is φ = 16575192.

The previous prime is 16677643. The next prime is 16677701. The reversal of 16677671 is 17677661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17677661 = 607 ⋅29123.

It is a cyclic number.

It is not a de Polignac number, because 16677671 - 2⁶ = 16677607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16677601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50996 + ... + 51321.

It is an arithmetic number, because the mean of its divisors is an integer number (4195038).

Almost surely, 2^16677671 is an apocalyptic number.

16677671 is a deficient number, since it is larger than the sum of its proper divisors (102481).

16677671 is a wasteful number, since it uses less digits than its factorization.

16677671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102480.

The product of its digits is 74088, while the sum is 41.

The square root of 16677671 is about 4083.8304323270. The cubic root of 16677671 is about 255.4926832591.

The spelling of 16677671 in words is "sixteen million, six hundred seventy-seven thousand, six hundred seventy-one".