36166553266 has 4 divisors (see below), whose sum is σ = 54249829902. Its totient is φ = 18083276632.

The previous prime is 36166553261. The next prime is 36166553273. The reversal of 36166553266 is 66235566163.

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., 35486647641 + 679905625 = 188379^2 + 26075^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (36166553261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041638315 + ... + 9041638318.

Almost surely, 2^36166553266 is an apocalyptic number.

36166553266 is a deficient number, since it is larger than the sum of its proper divisors (18083276636).

36166553266 is a wasteful number, since it uses less digits than its factorization.

36166553266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18083276635.

The product of its digits is 3499200, while the sum is 49.

The spelling of 36166553266 in words is "thirty-six billion, one hundred sixty-six million, five hundred fifty-three thousand, two hundred sixty-six".