16871601 has 8 divisors (see below), whose sum is σ = 23679520. Its totient is φ = 10655712.

The previous prime is 16871597. The next prime is 16871629. The reversal of 16871601 is 10617861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16871601 - 2² = 16871597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16871201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147940 + ... + 148053.

It is an arithmetic number, because the mean of its divisors is an integer number (2959940).

Almost surely, 2^16871601 is an apocalyptic number.

It is an amenable number.

16871601 is a deficient number, since it is larger than the sum of its proper divisors (6807919).

16871601 is a wasteful number, since it uses less digits than its factorization.

16871601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296015.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 16871601 is about 4107.5054473488. The cubic root of 16871601 is about 256.4791694874.

The spelling of 16871601 in words is "sixteen million, eight hundred seventy-one thousand, six hundred one".