1216678796632 has 16 divisors (see below), whose sum is σ = 2456755262640. Its totient is φ = 561544059936.

The previous prime is 1216678796611. The next prime is 1216678796647. The reversal of 1216678796632 is 2366978766121.

It is a super-2 number, since 2×1216678796632² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5849417188 + ... + 5849417395.

It is an arithmetic number, because the mean of its divisors is an integer number (153547203915).

Almost surely, 2^{1216678796632} is an apocalyptic number.

It is an amenable number.

1216678796632 is an abundant number, since it is smaller than the sum of its proper divisors (1240076466008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1216678796632 is a wasteful number, since it uses less digits than its factorization.

1216678796632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698834602 (or 11698834598 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 64.

The spelling of 1216678796632 in words is "one trillion, two hundred sixteen billion, six hundred seventy-eight million, seven hundred ninety-six thousand, six hundred thirty-two".