36165131694 has 32 divisors (see below), whose sum is σ = 80594670240. Its totient is φ = 12020887296.

The previous prime is 36165131693. The next prime is 36165131701. The reversal of 36165131694 is 49613156163.

36165131694 is a `hidden beast` number, since 3 + 616 + 5 + 13 + 16 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36165131693) 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 in 15 ways as a sum of consecutive naturals, for example, 929557 + ... + 967680.

It is an arithmetic number, because the mean of its divisors is an integer number (2518583445).

Almost surely, 2^36165131694 is an apocalyptic number.

36165131694 is an abundant number, since it is smaller than the sum of its proper divisors (44429538546).

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

36165131694 is a wasteful number, since it uses less digits than its factorization.

36165131694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897601 (or 1897595 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 36165131694 in words is "thirty-six billion, one hundred sixty-five million, one hundred thirty-one thousand, six hundred ninety-four".