605865966720 has 256 divisors, whose sum is σ = 2218296326400. Its totient is φ = 137780084736.

The previous prime is 605865966677. The next prime is 605865966731. The reversal of 605865966720 is 27669568506.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533266 + ... + 2762094.

It is an arithmetic number, because the mean of its divisors is an integer number (8665220025).

Almost surely, 2^605865966720 is an apocalyptic number.

605865966720 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 605865966720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109148163200).

605865966720 is an abundant number, since it is smaller than the sum of its proper divisors (1612430359680).

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

605865966720 is a wasteful number, since it uses less digits than its factorization.

605865966720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229055 (or 229043 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 605865966720 in words is "six hundred five billion, eight hundred sixty-five million, nine hundred sixty-six thousand, seven hundred twenty".