20182516614077 has 2 divisors, whose sum is σ = 20182516614078. Its totient is φ = 20182516614076.

The previous prime is 20182516614041. The next prime is 20182516614121. The reversal of 20182516614077 is 77041661528102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18900834505081 + 1281682108996 = 4347509^2 + 1132114^2 .

It is a cyclic number.

It is not a de Polignac number, because 20182516614077 - 2⁴⁰ = 19083004986301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20182516614277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091258307038 + 10091258307039.

It is an arithmetic number, because the mean of its divisors is an integer number (10091258307039).

Almost surely, 2^{20182516614077} is an apocalyptic number.

It is an amenable number.

20182516614077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20182516614077 is an equidigital number, since it uses as much as digits as its factorization.

20182516614077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 20182516614077 in words is "twenty trillion, one hundred eighty-two billion, five hundred sixteen million, six hundred fourteen thousand, seventy-seven".