20116717064377 has 8 divisors (see below), whose sum is σ = 20452414046792. Its totient is φ = 19781210880000.

The previous prime is 20116717064293. The next prime is 20116717064387. The reversal of 20116717064377 is 77346071761102.

It can be written as a sum of positive squares in 4 ways, for example, as 5967413523241 + 14149303541136 = 2442829^2 + 3761556^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116717064377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116717064387) 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, 47486874 + ... + 47908627.

It is an arithmetic number, because the mean of its divisors is an integer number (2556551755849).

Almost surely, 2^{20116717064377} is an apocalyptic number.

It is an amenable number.

20116717064377 is a deficient number, since it is larger than the sum of its proper divisors (335696982415).

20116717064377 is an equidigital number, since it uses as much as digits as its factorization.

20116717064377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95399019.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 20116717064377 in words is "twenty trillion, one hundred sixteen billion, seven hundred seventeen million, sixty-four thousand, three hundred seventy-seven".