36261163661 has 16 divisors (see below), whose sum is σ = 36680079744. Its totient is φ = 35845423104.

The previous prime is 36261163657. The next prime is 36261163759. The reversal of 36261163661 is 16636116263.

It is a cyclic number.

It is not a de Polignac number, because 36261163661 - 2² = 36261163657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36261163261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29794925 + ... + 29796141.

It is an arithmetic number, because the mean of its divisors is an integer number (2292504984).

Almost surely, 2^36261163661 is an apocalyptic number.

It is an amenable number.

36261163661 is a deficient number, since it is larger than the sum of its proper divisors (418916083).

36261163661 is a wasteful number, since it uses less digits than its factorization.

36261163661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its digits is 139968, while the sum is 41.

The spelling of 36261163661 in words is "thirty-six billion, two hundred sixty-one million, one hundred sixty-three thousand, six hundred sixty-one".