20116707641641 has 8 divisors (see below), whose sum is σ = 21664454454720. Its totient is φ = 18569004794832.

The previous prime is 20116707641593. The next prime is 20116707641647. The reversal of 20116707641641 is 14614670761102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20116707641641 - 2¹⁵ = 20116707608873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20116707641591 and 20116707641600.

It is not an unprimeable number, because it can be changed into a prime (20116707641647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038205 + ... + 11874298.

It is an arithmetic number, because the mean of its divisors is an integer number (2708056806840).

Almost surely, 2^{20116707641641} is an apocalyptic number.

It is an amenable number.

20116707641641 is a deficient number, since it is larger than the sum of its proper divisors (1547746813079).

20116707641641 is a wasteful number, since it uses less digits than its factorization.

20116707641641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21983135.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 20116707641641 in words is "twenty trillion, one hundred sixteen billion, seven hundred seven million, six hundred forty-one thousand, six hundred forty-one".