855656316 has 72 divisors (see below), whose sum is σ = 2196440064. Its totient is φ = 280832160.

The previous prime is 855656311. The next prime is 855656353. The reversal of 855656316 is 613656558.

855656316 is a `hidden beast` number, since 8 + 5 + 5 + 6 + 5 + 631 + 6 = 666.

It is a super-2 number, since 2×855656316² = 1464295462221383712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855656311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735151 + ... + 736313.

It is an arithmetic number, because the mean of its divisors is an integer number (30506112).

Almost surely, 2^855656316 is an apocalyptic number.

It is an amenable number.

855656316 is an abundant number, since it is smaller than the sum of its proper divisors (1340783748).

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

855656316 is a wasteful number, since it uses less digits than its factorization.

855656316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1466 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 855656316 is about 29251.6036483472. The cubic root of 855656316 is about 949.3647890310.

The spelling of 855656316 in words is "eight hundred fifty-five million, six hundred fifty-six thousand, three hundred sixteen".