6699557346 has 16 divisors (see below), whose sum is σ = 13981685184. Its totient is φ = 2136090704.

The previous prime is 6699557341. The next prime is 6699557357. The reversal of 6699557346 is 6437559966.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6699557346.

It is not an unprimeable number, because it can be changed into a prime (6699557341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24273621 + ... + 24273896.

It is an arithmetic number, because the mean of its divisors is an integer number (873855324).

Almost surely, 2^6699557346 is an apocalyptic number.

6699557346 is an abundant number, since it is smaller than the sum of its proper divisors (7282127838).

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

6699557346 is a wasteful number, since it uses less digits than its factorization.

6699557346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547545.

The product of its digits is 36741600, while the sum is 60.

The square root of 6699557346 is about 81850.8237344011. The cubic root of 6699557346 is about 1885.1621130455.

The spelling of 6699557346 in words is "six billion, six hundred ninety-nine million, five hundred fifty-seven thousand, three hundred forty-six".