6656598 has 24 divisors (see below), whose sum is σ = 15532608. Its totient is φ = 2048112.

The previous prime is 6656597. The next prime is 6656603. The reversal of 6656598 is 8956566.

6656598 is a `hidden beast` number, since 6 + 6 + 56 + 598 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656597) 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 11 ways as a sum of consecutive naturals, for example, 13990 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (647192).

Almost surely, 2^6656598 is an apocalyptic number.

6656598 is an abundant number, since it is smaller than the sum of its proper divisors (8876010).

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

6656598 is a wasteful number, since it uses less digits than its factorization.

6656598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28468 (or 28465 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 6656598 is about 2580.0383718077. The cubic root of 6656598 is about 188.1124082550.

Subtracting 6656598 from its reverse (8956566), we obtain a cube (2299968 = 132³).

The spelling of 6656598 in words is "six million, six hundred fifty-six thousand, five hundred ninety-eight".