6695555328 has 648 divisors, whose sum is σ = 25106075904. Its totient is φ = 1678786560.

The previous prime is 6695555309. The next prime is 6695555329. The reversal of 6695555328 is 8235555966.

6695555328 is a `hidden beast` number, since 6 + 69 + 5 + 5 + 553 + 28 = 666.

It is a super-2 number, since 2×6695555328² = 89660922300618375168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6695555329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 91719900 + ... + 91719972.

Almost surely, 2^6695555328 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 6695555328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12553037952).

6695555328 is an abundant number, since it is smaller than the sum of its proper divisors (18410520576).

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

6695555328 is a wasteful number, since it uses less digits than its factorization.

6695555328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 143 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The square root of 6695555328 is about 81826.3730590572. The cubic root of 6695555328 is about 1884.7866675716.

The spelling of 6695555328 in words is "six billion, six hundred ninety-five million, five hundred fifty-five thousand, three hundred twenty-eight".