1216630410613 has 8 divisors (see below), whose sum is σ = 1225413644000. Its totient is φ = 1207847613168.

The previous prime is 1216630410571. The next prime is 1216630410647. The reversal of 1216630410613 is 3160140366121.

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 1216630410613 - 2³³ = 1208040476021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216630410313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305370 + ... + 7470052.

It is an arithmetic number, because the mean of its divisors is an integer number (153176705500).

Almost surely, 2^{1216630410613} is an apocalyptic number.

It is an amenable number.

1216630410613 is a deficient number, since it is larger than the sum of its proper divisors (8783233387).

1216630410613 is a wasteful number, since it uses less digits than its factorization.

1216630410613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217971.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 1216630410613 its reverse (3160140366121), we get a palindrome (4376770776734).

The spelling of 1216630410613 in words is "one trillion, two hundred sixteen billion, six hundred thirty million, four hundred ten thousand, six hundred thirteen".