606808255680 has 448 divisors, whose sum is σ = 2338514357760. Its totient is φ = 146902118400.

The previous prime is 606808255667. The next prime is 606808255733. The reversal of 606808255680 is 86552808606.

606808255680 is a `hidden beast` number, since 6 + 0 + 6 + 8 + 0 + 8 + 2 + 556 + 80 = 666.

It is a super-2 number, since 2×606808255680² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 75742875 + ... + 75750885.

It is an arithmetic number, because the mean of its divisors is an integer number (5219898120).

Almost surely, 2^606808255680 is an apocalyptic number.

606808255680 is a gapful number since it is divisible by the number (60) 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 606808255680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169257178880).

606808255680 is an abundant number, since it is smaller than the sum of its proper divisors (1731706102080).

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

606808255680 is a wasteful number, since it uses less digits than its factorization.

606808255680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845 (or 8829 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 606808255680 in words is "six hundred six billion, eight hundred eight million, two hundred fifty-five thousand, six hundred eighty".