2768021656116 has 12 divisors (see below), whose sum is σ = 6458717197632. Its totient is φ = 922673885368.

The previous prime is 2768021656073. The next prime is 2768021656129. The reversal of 2768021656116 is 6116561208672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115334235660 + ... + 115334235683.

It is an arithmetic number, because the mean of its divisors is an integer number (538226433136).

Almost surely, 2^{2768021656116} is an apocalyptic number.

It is an amenable number.

2768021656116 is an abundant number, since it is smaller than the sum of its proper divisors (3690695541516).

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

2768021656116 is a wasteful number, since it uses less digits than its factorization.

2768021656116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230668471350 (or 230668471348 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 2768021656116 in words is "two trillion, seven hundred sixty-eight billion, twenty-one million, six hundred fifty-six thousand, one hundred sixteen".