6726222056766 has 128 divisors (see below), whose sum is σ = 14386605488640. Its totient is φ = 2093223541248.

The previous prime is 6726222056663. The next prime is 6726222056821. The reversal of 6726222056766 is 6676502226276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1111218196 + ... + 1111224248.

It is an arithmetic number, because the mean of its divisors is an integer number (112395355380).

Almost surely, 2^{6726222056766} is an apocalyptic number.

6726222056766 is an abundant number, since it is smaller than the sum of its proper divisors (7660383431874).

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

6726222056766 is a wasteful number, since it uses less digits than its factorization.

6726222056766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170.

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 6726222056766 in words is "six trillion, seven hundred twenty-six billion, two hundred twenty-two million, fifty-six thousand, seven hundred sixty-six".