16656230 has 8 divisors (see below), whose sum is σ = 29981232. Its totient is φ = 6662488.

The previous prime is 16656223. The next prime is 16656239. The reversal of 16656230 is 3265661.

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

It is a junction number, because it is equal to n+sod(n) for n = 16656193 and 16656202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832802 + ... + 832821.

It is an arithmetic number, because the mean of its divisors is an integer number (3747654).

Almost surely, 2^16656230 is an apocalyptic number.

16656230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16656230 is a deficient number, since it is larger than the sum of its proper divisors (13325002).

16656230 is a wasteful number, since it uses less digits than its factorization.

16656230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665630.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 16656230 is about 4081.2044790723. The cubic root of 16656230 is about 255.3831482240.

The spelling of 16656230 in words is "sixteen million, six hundred fifty-six thousand, two hundred thirty".