36168122809 has 48 divisors (see below), whose sum is σ = 48635719680. Its totient is φ = 26235368640.

The previous prime is 36168122807. The next prime is 36168122819. The reversal of 36168122809 is 90822186163.

36168122809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36168122809 - 2¹ = 36168122807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36168122807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670834 + ... + 722740.

It is an arithmetic number, because the mean of its divisors is an integer number (1013244160).

Almost surely, 2^36168122809 is an apocalyptic number.

It is an amenable number.

36168122809 is a deficient number, since it is larger than the sum of its proper divisors (12467596871).

36168122809 is a wasteful number, since it uses less digits than its factorization.

36168122809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51990 (or 51977 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 36168122809 in words is "thirty-six billion, one hundred sixty-eight million, one hundred twenty-two thousand, eight hundred nine".