266161466 has 4 divisors (see below), whose sum is σ = 399242202. Its totient is φ = 133080732.

The previous prime is 266161459. The next prime is 266161547. The reversal of 266161466 is 664161662.

266161466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 265005841 + 1155625 = 16279^2 + 1075^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66540365 + ... + 66540368.

Almost surely, 2^266161466 is an apocalyptic number.

266161466 is a deficient number, since it is larger than the sum of its proper divisors (133080736).

266161466 is a wasteful number, since it uses less digits than its factorization.

266161466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133080735.

The product of its digits is 62208, while the sum is 38.

The square root of 266161466 is about 16314.4557371676. The cubic root of 266161466 is about 643.2528612121.

It can be divided in two parts, 26616 and 1466, that added together give a palindrome (28082).

The spelling of 266161466 in words is "two hundred sixty-six million, one hundred sixty-one thousand, four hundred sixty-six".