655159798 has 16 divisors (see below), whose sum is σ = 996713280. Its totient is φ = 322934976.

The previous prime is 655159789. The next prime is 655159811. The reversal of 655159798 is 897951556.

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 7 ways as a sum of consecutive naturals, for example, 112986 + ... + 118642.

It is an arithmetic number, because the mean of its divisors is an integer number (62294580).

Almost surely, 2^655159798 is an apocalyptic number.

655159798 is a deficient number, since it is larger than the sum of its proper divisors (341553482).

655159798 is a wasteful number, since it uses less digits than its factorization.

655159798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471.

The product of its digits is 3402000, while the sum is 55.

The square root of 655159798 is about 25596.0895060163. The cubic root of 655159798 is about 868.5251791102.

The spelling of 655159798 in words is "six hundred fifty-five million, one hundred fifty-nine thousand, seven hundred ninety-eight".