36543667761 has 6 divisors (see below), whose sum is σ = 52785297890. Its totient is φ = 24362445168.

The previous prime is 36543667751. The next prime is 36543667799. The reversal of 36543667761 is 16776634563.

It is a happy number.

36543667761 is a `hidden beast` number, since 36 + 543 + 6 + 6 + 7 + 7 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34877803536 + 1665864225 = 186756^2 + 40815^2 .

It is not a de Polignac number, because 36543667761 - 2⁹ = 36543667249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36543667698 and 36543667707.

It is not an unprimeable number, because it can be changed into a prime (36543667751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2030203756 + ... + 2030203773.

Almost surely, 2^36543667761 is an apocalyptic number.

It is an amenable number.

36543667761 is a deficient number, since it is larger than the sum of its proper divisors (16241630129).

36543667761 is a wasteful number, since it uses less digits than its factorization.

36543667761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060407535 (or 4060407532 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The spelling of 36543667761 in words is "thirty-six billion, five hundred forty-three million, six hundred sixty-seven thousand, seven hundred sixty-one".