855550258160 has 320 divisors, whose sum is σ = 2239967882880. Its totient is φ = 301730365440.

The previous prime is 855550258117. The next prime is 855550258177. The reversal of 855550258160 is 61852055558.

It is a junction number, because it is equal to n+sod(n) for n = 855550258099 and 855550258108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1482755792 + ... + 1482756368.

It is an arithmetic number, because the mean of its divisors is an integer number (6999899634).

Almost surely, 2^855550258160 is an apocalyptic number.

855550258160 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 855550258160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119983941440).

855550258160 is an abundant number, since it is smaller than the sum of its proper divisors (1384417624720).

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

855550258160 is a wasteful number, since it uses less digits than its factorization.

855550258160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 50.

The spelling of 855550258160 in words is "eight hundred fifty-five billion, five hundred fifty million, two hundred fifty-eight thousand, one hundred sixty".