36169705640 has 16 divisors (see below), whose sum is σ = 81381837780. Its totient is φ = 14467882240.

The previous prime is 36169705633. The next prime is 36169705771. The reversal of 36169705640 is 4650796163.

It can be written as a sum of positive squares in 2 ways, for example, as 35089531684 + 1080173956 = 187322^2 + 32866^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452121281 + ... + 452121360.

Almost surely, 2^36169705640 is an apocalyptic number.

It is an amenable number.

36169705640 is an abundant number, since it is smaller than the sum of its proper divisors (45212132140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36169705640 is a wasteful number, since it uses less digits than its factorization.

36169705640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904242652 (or 904242648 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 36169705640 in words is "thirty-six billion, one hundred sixty-nine million, seven hundred five thousand, six hundred forty".