266630026 has 8 divisors (see below), whose sum is σ = 430710084. Its totient is φ = 123060000.

The previous prime is 266630017. The next prime is 266630033. The reversal of 266630026 is 620036662.

266630026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 210395025 + 56235001 = 14505^2 + 7499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 266630026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127475 + ... + 5127526.

Almost surely, 2^266630026 is an apocalyptic number.

266630026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

266630026 is a deficient number, since it is larger than the sum of its proper divisors (164080058).

266630026 is a wasteful number, since it uses less digits than its factorization.

266630026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255016.

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

The square root of 266630026 is about 16328.8096932998. The cubic root of 266630026 is about 643.6301082412.

Adding to 266630026 its reverse (620036662), we get a palindrome (886666688).

The spelling of 266630026 in words is "two hundred sixty-six million, six hundred thirty thousand, twenty-six".