1618731618796 has 12 divisors (see below), whose sum is σ = 2999414470248. Its totient is φ = 761756055872.

The previous prime is 1618731618773. The next prime is 1618731618811. The reversal of 1618731618796 is 6978161378161.

It is a super-3 number, since 3×1618731618796³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11902438306 + ... + 11902438441.

It is an arithmetic number, because the mean of its divisors is an integer number (249951205854).

Almost surely, 2^{1618731618796} is an apocalyptic number.

It is an amenable number.

1618731618796 is a deficient number, since it is larger than the sum of its proper divisors (1380682851452).

1618731618796 is a wasteful number, since it uses less digits than its factorization.

1618731618796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804876768 (or 23804876766 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 64.

The spelling of 1618731618796 in words is "one trillion, six hundred eighteen billion, seven hundred thirty-one million, six hundred eighteen thousand, seven hundred ninety-six".