121616587386363 has 8 divisors (see below), whose sum is σ = 162155519143488. Its totient is φ = 81077690276744.

The previous prime is 121616587386323. The next prime is 121616587386397. The reversal of 121616587386363 is 363683785616121.

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 121616587386363 - 2²¹ = 121616585289211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121616587386294 and 121616587386303.

It is not an unprimeable number, because it can be changed into a prime (121616587386313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100056 + ... + 15634682.

It is an arithmetic number, because the mean of its divisors is an integer number (20269439892936).

Almost surely, 2^{121616587386363} is an apocalyptic number.

121616587386363 is a deficient number, since it is larger than the sum of its proper divisors (40538931757125).

121616587386363 is a wasteful number, since it uses less digits than its factorization.

121616587386363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17323753.

The product of its digits is 156764160, while the sum is 66.

The spelling of 121616587386363 in words is "one hundred twenty-one trillion, six hundred sixteen billion, five hundred eighty-seven million, three hundred eighty-six thousand, three hundred sixty-three".