6598135228 has 12 divisors (see below), whose sum is σ = 11548279512. Its totient is φ = 3298626800.

The previous prime is 6598135169. The next prime is 6598135237. The reversal of 6598135228 is 8225318956.

It is a happy number.

It is a super-2 number, since 2×6598135228² = 87070776973949223968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75298 + ... + 137353.

It is an arithmetic number, because the mean of its divisors is an integer number (962356626).

Almost surely, 2^6598135228 is an apocalyptic number.

It is an amenable number.

6598135228 is a deficient number, since it is larger than the sum of its proper divisors (4950144284).

6598135228 is a wasteful number, since it uses less digits than its factorization.

6598135228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220412 (or 220410 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 6598135228 is about 81228.9063572815. The cubic root of 6598135228 is about 1875.6007772476.

The spelling of 6598135228 in words is "six billion, five hundred ninety-eight million, one hundred thirty-five thousand, two hundred twenty-eight".