655946603 has 16 divisors (see below), whose sum is σ = 731578176. Its totient is φ = 584288640.

The previous prime is 655946597. The next prime is 655946611. The reversal of 655946603 is 306649556.

It is not a de Polignac number, because 655946603 - 2⁴ = 655946587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655946653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34226 + ... + 49832.

It is an arithmetic number, because the mean of its divisors is an integer number (45723636).

Almost surely, 2^655946603 is an apocalyptic number.

655946603 is a deficient number, since it is larger than the sum of its proper divisors (75631573).

655946603 is a wasteful number, since it uses less digits than its factorization.

655946603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 655946603 is about 25611.4545272228. The cubic root of 655946603 is about 868.8727210793.

The spelling of 655946603 in words is "six hundred fifty-five million, nine hundred forty-six thousand, six hundred three".