16146666 has 24 divisors (see below), whose sum is σ = 35087364. Its totient is φ = 5366400.

The previous prime is 16146643. The next prime is 16146671. The reversal of 16146666 is 66664161.

It can be written as a sum of positive squares in 2 ways, for example, as 12425625 + 3721041 = 3525^2 + 1929^2 .

16146666 is a modest number, since divided by 6666 gives 1614 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16146666.

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 11 ways as a sum of consecutive naturals, for example, 6100 + ... + 8336.

Almost surely, 2^16146666 is an apocalyptic number.

16146666 is an abundant number, since it is smaller than the sum of its proper divisors (18940698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16146666 is a wasteful number, since it uses less digits than its factorization.

16146666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2643 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16146666 is about 4018.2914279579. The cubic root of 16146666 is about 252.7518175310.

The spelling of 16146666 in words is "sixteen million, one hundred forty-six thousand, six hundred sixty-six".