16331266 has 16 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 6982560.

The previous prime is 16331257. The next prime is 16331267. The reversal of 16331266 is 66213361.

It is not an unprimeable number, because it can be changed into a prime (16331267) 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, 6175 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (1753920).

Almost surely, 2^16331266 is an apocalyptic number.

16331266 is a deficient number, since it is larger than the sum of its proper divisors (11731454).

16331266 is a wasteful number, since it uses less digits than its factorization.

16331266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its digits is 3888, while the sum is 28.

The square root of 16331266 is about 4041.1961100644. The cubic root of 16331266 is about 253.7113819267.

The spelling of 16331266 in words is "sixteen million, three hundred thirty-one thousand, two hundred sixty-six".