605661160 has 64 divisors (see below), whose sum is σ = 1477602000. Its totient is φ = 222099456.

The previous prime is 605661127. The next prime is 605661187. The reversal of 605661160 is 61166506.

It can be written as a sum of positive squares in 8 ways, for example, as 2762244 + 602898916 = 1662^2 + 24554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73572 + ... + 81388.

Almost surely, 2^605661160 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 605661160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738801000).

605661160 is an abundant number, since it is smaller than the sum of its proper divisors (871940840).

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

605661160 is a wasteful number, since it uses less digits than its factorization.

605661160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990 (or 7986 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 605661160 is about 24610.1840708273. The cubic root of 605661160 is about 846.0770365794.

The spelling of 605661160 in words is "six hundred five million, six hundred sixty-one thousand, one hundred sixty".