20116163757636 has 36 divisors (see below), whose sum is σ = 50857171147692. Its totient is φ = 6704335687104.

The previous prime is 20116163757629. The next prime is 20116163757709. The reversal of 20116163757636 is 63675736161102.

20116163757636 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 6 + 1 + 6 + 37 + 576 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15793947705600 + 4322216052036 = 3974160^2 + 2078994^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43610391 + ... + 44069246.

It is an arithmetic number, because the mean of its divisors is an integer number (1412699198547).

Almost surely, 2^{20116163757636} is an apocalyptic number.

It is an amenable number.

20116163757636 is an abundant number, since it is smaller than the sum of its proper divisors (30741007390056).

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

20116163757636 is a wasteful number, since it uses less digits than its factorization.

20116163757636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87686020 (or 87686015 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 20116163757636 in words is "twenty trillion, one hundred sixteen billion, one hundred sixty-three million, seven hundred fifty-seven thousand, six hundred thirty-six".