1216346004163 has 8 divisors (see below), whose sum is σ = 1219379037696. Its totient is φ = 1213314265800.

The previous prime is 1216346004157. The next prime is 1216346004253. The reversal of 1216346004163 is 3614006436121.

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 1216346004163 - 2⁹ = 1216346003651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1216346005163) 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 7 ways as a sum of consecutive naturals, for example, 1570618 + ... + 2213488.

It is an arithmetic number, because the mean of its divisors is an integer number (152422379712).

Almost surely, 2^{1216346004163} is an apocalyptic number.

1216346004163 is a deficient number, since it is larger than the sum of its proper divisors (3033033533).

1216346004163 is an equidigital number, since it uses as much as digits as its factorization.

1216346004163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647585.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1216346004163 in words is "one trillion, two hundred sixteen billion, three hundred forty-six million, four thousand, one hundred sixty-three".