6764551266 has 64 divisors (see below), whose sum is σ = 15710630400. Its totient is φ = 1920124800.

The previous prime is 6764551237. The next prime is 6764551273. The reversal of 6764551266 is 6621554676.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81301 + ... + 141911.

It is an arithmetic number, because the mean of its divisors is an integer number (245478600).

Almost surely, 2^6764551266 is an apocalyptic number.

6764551266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6764551266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7855315200).

6764551266 is an abundant number, since it is smaller than the sum of its proper divisors (8946079134).

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

6764551266 is a wasteful number, since it uses less digits than its factorization.

6764551266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60735.

The product of its digits is 1814400, while the sum is 48.

The square root of 6764551266 is about 82246.8921358126. The cubic root of 6764551266 is about 1891.2386332145.

The spelling of 6764551266 in words is "six billion, seven hundred sixty-four million, five hundred fifty-one thousand, two hundred sixty-six".