605665056 has 48 divisors (see below), whose sum is σ = 1596932064. Its totient is φ = 200991744.

The previous prime is 605665051. The next prime is 605665061. The reversal of 605665056 is 650566506.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (605665051) and next prime (605665061).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (605665051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7896 + ... + 35688.

It is an arithmetic number, because the mean of its divisors is an integer number (33269418).

Almost surely, 2^605665056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605665056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798466032).

605665056 is an abundant number, since it is smaller than the sum of its proper divisors (991267008).

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

605665056 is a wasteful number, since it uses less digits than its factorization.

605665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28033 (or 28025 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 605665056 is about 24610.2632249231. The cubic root of 605665056 is about 846.0788507451.

The spelling of 605665056 in words is "six hundred five million, six hundred sixty-five thousand, fifty-six".