655516 has 12 divisors (see below), whose sum is σ = 1186920. Its totient is φ = 316400.

The previous prime is 655511. The next prime is 655517. The reversal of 655516 is 615556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (98910).

2⁶⁵⁵⁵¹⁶ is an apocalyptic number.

It is an amenable number.

655516 is a deficient number, since it is larger than the sum of its proper divisors (531404).

655516 is a wasteful number, since it uses less digits than its factorization.

655516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5682 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 655516 is about 809.6394259175. The cubic root of 655516 is about 86.8682552602.

The spelling of 655516 in words is "six hundred fifty-five thousand, five hundred sixteen".