20116723514641 has 16 divisors (see below), whose sum is σ = 21925499984640. Its totient is φ = 18345287364480.

The previous prime is 20116723514623. The next prime is 20116723514647. The reversal of 20116723514641 is 14641532761102.

It is a cyclic number.

It is not a de Polignac number, because 20116723514641 - 2⁵ = 20116723514609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116723514647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135924280 + ... + 136072198.

It is an arithmetic number, because the mean of its divisors is an integer number (1370343749040).

Almost surely, 2^{20116723514641} is an apocalyptic number.

It is an amenable number.

20116723514641 is a deficient number, since it is larger than the sum of its proper divisors (1808776469999).

20116723514641 is a wasteful number, since it uses less digits than its factorization.

20116723514641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274056.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 20116723514641 in words is "twenty trillion, one hundred sixteen billion, seven hundred twenty-three million, five hundred fourteen thousand, six hundred forty-one".