20116761643675 has 6 divisors (see below), whose sum is σ = 24944784438188. Its totient is φ = 16093409314920.

The previous prime is 20116761643637. The next prime is 20116761643753. The reversal of 20116761643675 is 57634616761102.

It is not a de Polignac number, because 20116761643675 - 2³¹ = 20114614160027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402335232849 + ... + 402335232898.

Almost surely, 2^{20116761643675} is an apocalyptic number.

20116761643675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20116761643675 is a deficient number, since it is larger than the sum of its proper divisors (4828022794513).

20116761643675 is an equidigital number, since it uses as much as digits as its factorization.

20116761643675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804670465757 (or 804670465752 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 20116761643675 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred forty-three thousand, six hundred seventy-five".