605666880 has 336 divisors, whose sum is σ = 2565099264. Its totient is φ = 127733760.

The previous prime is 605666879. The next prime is 605666891. The reversal of 605666880 is 88666506.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260925 + ... + 263235.

It is an arithmetic number, because the mean of its divisors is an integer number (7634224).

Almost surely, 2^605666880 is an apocalyptic number.

605666880 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 605666880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282549632).

605666880 is an abundant number, since it is smaller than the sum of its proper divisors (1959432384).

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

605666880 is a wasteful number, since it uses less digits than its factorization.

605666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 605666880 is about 24610.3002826052. The cubic root of 605666880 is about 846.0797000849.

The spelling of 605666880 in words is "six hundred five million, six hundred sixty-six thousand, eight hundred eighty".