36166235645 has 4 divisors (see below), whose sum is σ = 43399482780. Its totient is φ = 28932988512.

The previous prime is 36166235627. The next prime is 36166235647. The reversal of 36166235645 is 54653266163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26473242436 + 9692993209 = 162706^2 + 98453^2 .

It is a cyclic number.

It is not a de Polignac number, because 36166235645 - 2²⁶ = 36099126781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36166235645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36166235647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616623560 + ... + 3616623569.

It is an arithmetic number, because the mean of its divisors is an integer number (10849870695).

Almost surely, 2^36166235645 is an apocalyptic number.

It is an amenable number.

36166235645 is a deficient number, since it is larger than the sum of its proper divisors (7233247135).

36166235645 is an equidigital number, since it uses as much as digits as its factorization.

36166235645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233247134.

The product of its digits is 2332800, while the sum is 47.

The spelling of 36166235645 in words is "thirty-six billion, one hundred sixty-six million, two hundred thirty-five thousand, six hundred forty-five".