655595916 has 48 divisors (see below), whose sum is σ = 1542912000. Its totient is φ = 216657792.

The previous prime is 655595909. The next prime is 655595917. The reversal of 655595916 is 619595556.

It is not an unprimeable number, because it can be changed into a prime (655595917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094185 + ... + 1094783.

It is an arithmetic number, because the mean of its divisors is an integer number (32144000).

Almost surely, 2^655595916 is an apocalyptic number.

It is an amenable number.

655595916 is an abundant number, since it is smaller than the sum of its proper divisors (887316084).

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

655595916 is a wasteful number, since it uses less digits than its factorization.

655595916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 51.

The square root of 655595916 is about 25604.6073197774. The cubic root of 655595916 is about 868.7178524343.

The spelling of 655595916 in words is "six hundred fifty-five million, five hundred ninety-five thousand, nine hundred sixteen".