6766013684861 has 8 divisors (see below), whose sum is σ = 7014544899264. Its totient is φ = 6521458970080.

The previous prime is 6766013684831. The next prime is 6766013684863. The reversal of 6766013684861 is 1684863106676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6766013684861 - 2²² = 6766009490557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6766013684794 and 6766013684803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6766013684863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994121441 + ... + 994128246.

It is an arithmetic number, because the mean of its divisors is an integer number (876818112408).

Almost surely, 2^{6766013684861} is an apocalyptic number.

It is an amenable number.

6766013684861 is a deficient number, since it is larger than the sum of its proper divisors (248531214403).

6766013684861 is a wasteful number, since it uses less digits than its factorization.

6766013684861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988249811.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 6766013684861 in words is "six trillion, seven hundred sixty-six billion, thirteen million, six hundred eighty-four thousand, eight hundred sixty-one".