6766261716 has 48 divisors (see below), whose sum is σ = 16532780544. Its totient is φ = 2149710816.

The previous prime is 6766261709. The next prime is 6766261729. The reversal of 6766261716 is 6171626676.

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, 34795 + ... + 121421.

It is an arithmetic number, because the mean of its divisors is an integer number (344432928).

Almost surely, 2^6766261716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6766261716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8266390272).

6766261716 is an abundant number, since it is smaller than the sum of its proper divisors (9766518828).

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

6766261716 is a wasteful number, since it uses less digits than its factorization.

6766261716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86940 (or 86938 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 6766261716 is about 82257.2897438276. The cubic root of 6766261716 is about 1891.3980227724.

The spelling of 6766261716 in words is "six billion, seven hundred sixty-six million, two hundred sixty-one thousand, seven hundred sixteen".