16000666 has 16 divisors (see below), whose sum is σ = 26614368. Its totient is φ = 7153200.

The previous prime is 16000627. The next prime is 16000667. The reversal of 16000666 is 66600061.

16000666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

16000666 is a modest number, since divided by 666 gives 16 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 16000666.

It is not an unprimeable number, because it can be changed into a prime (16000667) 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, 4620 + ... + 7303.

It is an arithmetic number, because the mean of its divisors is an integer number (1663398).

Almost surely, 2^16000666 is an apocalyptic number.

16000666 is a deficient number, since it is larger than the sum of its proper divisors (10613702).

16000666 is a wasteful number, since it uses less digits than its factorization.

16000666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16000666 is about 4000.0832491337. The cubic root of 16000666 is about 251.9877062114.

The spelling of 16000666 in words is "sixteen million, six hundred sixty-six", and thus it is an aban number.