1216933014648 has 64 divisors (see below), whose sum is σ = 3283925127840. Its totient is φ = 373576126464.

The previous prime is 1216933014631. The next prime is 1216933014667. The reversal of 1216933014648 is 8464103396121.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1216933014597 and 1216933014606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368861 + ... + 4639052.

Almost surely, 2^{1216933014648} is an apocalyptic number.

It is an amenable number.

1216933014648 is an abundant number, since it is smaller than the sum of its proper divisors (2066992113192).

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

1216933014648 is a wasteful number, since it uses less digits than its factorization.

1216933014648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008368 (or 9008364 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 1216933014648 in words is "one trillion, two hundred sixteen billion, nine hundred thirty-three million, fourteen thousand, six hundred forty-eight".