655655103 has 12 divisors (see below), whose sum is σ = 964927080. Its totient is φ = 428855856.

The previous prime is 655655093. The next prime is 655655129. The reversal of 655655103 is 301556556.

It is not a de Polignac number, because 655655103 - 2⁴ = 655655087 is a prime.

It is a super-3 number, since 3×655655103³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655650103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686793 + ... + 687746.

It is an arithmetic number, because the mean of its divisors is an integer number (80410590).

Almost surely, 2^655655103 is an apocalyptic number.

655655103 is a deficient number, since it is larger than the sum of its proper divisors (309271977).

655655103 is a wasteful number, since it uses less digits than its factorization.

655655103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374598 (or 1374595 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 655655103 is about 25605.7630817752. The cubic root of 655655103 is about 868.7439941755.

The spelling of 655655103 in words is "six hundred fifty-five million, six hundred fifty-five thousand, one hundred three".