855606560 has 96 divisors (see below), whose sum is σ = 2075492160. Its totient is φ = 333186048.

The previous prime is 855606547. The next prime is 855606569. The reversal of 855606560 is 65606558.

855606560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (855606569) 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, 1381931 + ... + 1382549.

It is an arithmetic number, because the mean of its divisors is an integer number (21619710).

Almost surely, 2^855606560 is an apocalyptic number.

855606560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855606560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037746080).

855606560 is an abundant number, since it is smaller than the sum of its proper divisors (1219885600).

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

855606560 is a wasteful number, since it uses less digits than its factorization.

855606560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 855606560 is about 29250.7531526968. The cubic root of 855606560 is about 949.3463869735.

The spelling of 855606560 in words is "eight hundred fifty-five million, six hundred six thousand, five hundred sixty".