655846868 has 12 divisors (see below), whose sum is σ = 1166547732. Its totient is φ = 322547520.

The previous prime is 655846847. The next prime is 655846889. The reversal of 655846868 is 868648556.

It is an interprime number because it is at equal distance from previous prime (655846847) and next prime (655846889).

It can be written as a sum of positive squares in 2 ways, for example, as 128777104 + 527069764 = 11348^2 + 22958^2 .

It is a super-2 number, since 2×655846868² = 860270228530818848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1343705 + ... + 1344192.

It is an arithmetic number, because the mean of its divisors is an integer number (97212311).

Almost surely, 2^655846868 is an apocalyptic number.

It is an amenable number.

655846868 is a deficient number, since it is larger than the sum of its proper divisors (510700864).

655846868 is a wasteful number, since it uses less digits than its factorization.

655846868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687962 (or 2687960 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 56.

The square root of 655846868 is about 25609.5073751917. The cubic root of 655846868 is about 868.8286822237.

The spelling of 655846868 in words is "six hundred fifty-five million, eight hundred forty-six thousand, eight hundred sixty-eight".