16106666 has 8 divisors (see below), whose sum is σ = 24520800. Its totient is φ = 7933068.

The previous prime is 16106659. The next prime is 16106677. The reversal of 16106666 is 66660161.

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

16106666 is a modest number, since divided by 6666 gives 1610 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59966 + ... + 60233.

It is an arithmetic number, because the mean of its divisors is an integer number (3065100).

Almost surely, 2^16106666 is an apocalyptic number.

16106666 is a deficient number, since it is larger than the sum of its proper divisors (8414134).

16106666 is a wasteful number, since it uses less digits than its factorization.

16106666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120268.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 16106666 is about 4013.3111018210. The cubic root of 16106666 is about 252.5429316276.

The spelling of 16106666 in words is "sixteen million, one hundred six thousand, six hundred sixty-six".