16666126 has 8 divisors (see below), whose sum is σ = 25861320. Its totient is φ = 8045688.

The previous prime is 16666093. The next prime is 16666141. The reversal of 16666126 is 62166661.

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 = 16666091 and 16666100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143616 + ... + 143731.

It is an arithmetic number, because the mean of its divisors is an integer number (3232665).

Almost surely, 2^16666126 is an apocalyptic number.

16666126 is a deficient number, since it is larger than the sum of its proper divisors (9195194).

16666126 is a wasteful number, since it uses less digits than its factorization.

16666126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287378.

The product of its digits is 15552, while the sum is 34.

The square root of 16666126 is about 4082.4166862289. The cubic root of 16666126 is about 255.4337153149.

The spelling of 16666126 in words is "sixteen million, six hundred sixty-six thousand, one hundred twenty-six".