20116761617365 has 16 divisors (see below), whose sum is σ = 27642903442560. Its totient is φ = 13767249925440.

The previous prime is 20116761617287. The next prime is 20116761617369. The reversal of 20116761617365 is 56371616761102.

It is not a de Polignac number, because 20116761617365 - 2²⁷ = 20116627399637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116761617369) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 564583971 + ... + 564619600.

It is an arithmetic number, because the mean of its divisors is an integer number (1727681465160).

Almost surely, 2^{20116761617365} is an apocalyptic number.

It is an amenable number.

20116761617365 is a deficient number, since it is larger than the sum of its proper divisors (7526141825195).

20116761617365 is a wasteful number, since it uses less digits than its factorization.

20116761617365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129204092.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 20116761617365 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred seventeen thousand, three hundred sixty-five".