16466266 has 4 divisors (see below), whose sum is σ = 24699402. Its totient is φ = 8233132.

The previous prime is 16466243. The next prime is 16466267. The reversal of 16466266 is 66266461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15374241 + 1092025 = 3921^2 + 1045^2 .

It is a super-2 number, since 2×16466266² = 542275831965512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16466267) by changing a digit.

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 as a sum of consecutive naturals, namely, 4116565 + ... + 4116568.

Almost surely, 2^16466266 is an apocalyptic number.

16466266 is a deficient number, since it is larger than the sum of its proper divisors (8233136).

16466266 is an equidigital number, since it uses as much as digits as its factorization.

16466266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233135.

The product of its digits is 62208, while the sum is 37.

The square root of 16466266 is about 4057.8647094254. The cubic root of 16466266 is about 254.4085536495.

It can be divided in two parts, 164 and 66266, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 16466266 in words is "sixteen million, four hundred sixty-six thousand, two hundred sixty-six".