361244666 has 4 divisors (see below), whose sum is σ = 541867002. Its totient is φ = 180622332.

The previous prime is 361244629. The next prime is 361244707. The reversal of 361244666 is 666442163.

It is a happy number.

361244666 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, and also an emirpimes, since its reverse is a distinct semiprime: 666442163 = 4051 ⋅164513.

It can be written as a sum of positive squares in only one way, i.e., 282408025 + 78836641 = 16805^2 + 8879^2 .

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, 90311165 + ... + 90311168.

Almost surely, 2^361244666 is an apocalyptic number.

361244666 is a deficient number, since it is larger than the sum of its proper divisors (180622336).

361244666 is a wasteful number, since it uses less digits than its factorization.

361244666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180622335.

The product of its digits is 124416, while the sum is 38.

The square root of 361244666 is about 19006.4374883880. The cubic root of 361244666 is about 712.1975593786.

The spelling of 361244666 in words is "three hundred sixty-one million, two hundred forty-four thousand, six hundred sixty-six".