6696221340 has 48 divisors (see below), whose sum is σ = 19354245120. Its totient is φ = 1728056640.

The previous prime is 6696221333. The next prime is 6696221369. The reversal of 6696221340 is 431226966.

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, 1798200 + ... + 1801919.

It is an arithmetic number, because the mean of its divisors is an integer number (403213440).

Almost surely, 2^6696221340 is an apocalyptic number.

6696221340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6696221340 is an abundant number, since it is smaller than the sum of its proper divisors (12658023780).

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

6696221340 is a wasteful number, since it uses less digits than its factorization.

6696221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600162 (or 3600160 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 6696221340 is about 81830.4426237571. The cubic root of 6696221340 is about 1884.8491592225.

The spelling of 6696221340 in words is "six billion, six hundred ninety-six million, two hundred twenty-one thousand, three hundred forty".