26630266 has 16 divisors (see below), whose sum is σ = 43448328. Its totient is φ = 12168000.

The previous prime is 26630257. The next prime is 26630293. The reversal of 26630266 is 66203662.

It can be written as a sum of positive squares in 4 ways, for example, as 21206025 + 5424241 = 4605^2 + 2329^2 .

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 7 ways as a sum of consecutive naturals, for example, 2445 + ... + 7696.

Almost surely, 2^26630266 is an apocalyptic number.

26630266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26630266 is a deficient number, since it is larger than the sum of its proper divisors (16818062).

26630266 is a wasteful number, since it uses less digits than its factorization.

26630266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 26630266 is about 5160.4521119762. The cubic root of 26630266 is about 298.6243161034.

It can be divided in two parts, 26630 and 266, that added together give a square (26896 = 164²).

The spelling of 26630266 in words is "twenty-six million, six hundred thirty thousand, two hundred sixty-six".