6691223670260 has 96 divisors (see below), whose sum is σ = 14454078942240. Its totient is φ = 2600052922368.

The previous prime is 6691223670217. The next prime is 6691223670281. The reversal of 6691223670260 is 620763221966.

It can be written as a sum of positive squares in 16 ways, for example, as 94575931024 + 6596647739236 = 307532^2 + 2568394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6691223670199 and 6691223670208.

It is a congruent 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, 1893919454 + ... + 1893922986.

It is an arithmetic number, because the mean of its divisors is an integer number (150563322315).

Almost surely, 2^{6691223670260} 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 6691223670260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7227039471120).

6691223670260 is an abundant number, since it is smaller than the sum of its proper divisors (7762855271980).

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

6691223670260 is a wasteful number, since it uses less digits than its factorization.

6691223670260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 6691223670260 in words is "six trillion, six hundred ninety-one billion, two hundred twenty-three million, six hundred seventy thousand, two hundred sixty".