6691026223 has 18 divisors (see below), whose sum is σ = 7839761064. Its totient is φ = 5593998312.

The previous prime is 6691026211. The next prime is 6691026229. The reversal of 6691026223 is 3226201966.

It is not a de Polignac number, because 6691026223 - 2¹⁷ = 6690895151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691026229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9305658 + ... + 9306376.

Almost surely, 2^6691026223 is an apocalyptic number.

6691026223 is a deficient number, since it is larger than the sum of its proper divisors (1148734841).

6691026223 is an frugal number, since it uses more digits than its factorization.

6691026223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 6691026223 is about 81798.6932841839. The cubic root of 6691026223 is about 1884.3615934343.

The spelling of 6691026223 in words is "six billion, six hundred ninety-one million, twenty-six thousand, two hundred twenty-three".