828663618165 has 16 divisors (see below), whose sum is σ = 1325873361408. Its totient is φ = 441950072256.

The previous prime is 828663618161. The next prime is 828663618197. The reversal of 828663618165 is 561816366828.

It is a happy number.

It is not a de Polignac number, because 828663618165 - 2² = 828663618161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 828663618099 and 828663618108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828663618161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2663967 + ... + 2958723.

It is an arithmetic number, because the mean of its divisors is an integer number (82867085088).

Almost surely, 2^828663618165 is an apocalyptic number.

It is an amenable number.

828663618165 is a deficient number, since it is larger than the sum of its proper divisors (497209743243).

828663618165 is a wasteful number, since it uses less digits than its factorization.

828663618165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482188.

The product of its digits is 19906560, while the sum is 60.

The spelling of 828663618165 in words is "eight hundred twenty-eight billion, six hundred sixty-three million, six hundred eighteen thousand, one hundred sixty-five".