6767617580991 has 48 divisors (see below), whose sum is σ = 10524988805760. Its totient is φ = 4175198576640.

The previous prime is 6767617580987. The next prime is 6767617580993. The reversal of 6767617580991 is 1990857167676.

It is not a de Polignac number, because 6767617580991 - 2² = 6767617580987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6767617580993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1751331 + ... + 4074603.

It is an arithmetic number, because the mean of its divisors is an integer number (219270600120).

Almost surely, 2^{6767617580991} is an apocalyptic number.

6767617580991 is a deficient number, since it is larger than the sum of its proper divisors (3757371224769).

6767617580991 is a wasteful number, since it uses less digits than its factorization.

6767617580991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323616 (or 2323613 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 72.

The spelling of 6767617580991 in words is "six trillion, seven hundred sixty-seven billion, six hundred seventeen million, five hundred eighty thousand, nine hundred ninety-one".