16675861 has 8 divisors (see below), whose sum is σ = 18226944. Its totient is φ = 15188160.

The previous prime is 16675859. The next prime is 16675891. The reversal of 16675861 is 16857661.

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

It is a cyclic number.

It is not a de Polignac number, because 16675861 - 2¹ = 16675859 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 (16675811) 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, 15295 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (2278368).

Almost surely, 2^16675861 is an apocalyptic number.

It is an amenable number.

16675861 is a deficient number, since it is larger than the sum of its proper divisors (1551083).

16675861 is a wasteful number, since it uses less digits than its factorization.

16675861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31691.

The product of its digits is 60480, while the sum is 40.

The square root of 16675861 is about 4083.6088206389. The cubic root of 16675861 is about 255.4834401921.

The spelling of 16675861 in words is "sixteen million, six hundred seventy-five thousand, eight hundred sixty-one".