16149666 has 32 divisors (see below), whose sum is σ = 34993728. Its totient is φ = 4939200.

The previous prime is 16149631. The next prime is 16149691. The reversal of 16149666 is 66694161.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 14841 + ... + 15891.

It is an arithmetic number, because the mean of its divisors is an integer number (1093554).

Almost surely, 2^16149666 is an apocalyptic number.

16149666 is an abundant number, since it is smaller than the sum of its proper divisors (18844062).

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

16149666 is a wasteful number, since it uses less digits than its factorization.

16149666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its digits is 46656, while the sum is 39.

The square root of 16149666 is about 4018.6647036049. The cubic root of 16149666 is about 252.7674700605.

The spelling of 16149666 in words is "sixteen million, one hundred forty-nine thousand, six hundred sixty-six".