605161660 has 48 divisors (see below), whose sum is σ = 1311456384. Its totient is φ = 234436608.

The previous prime is 605161651. The next prime is 605161691. The reversal of 605161660 is 66161506.

It is a congruent number.

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, 87862 + ... + 94498.

It is an arithmetic number, because the mean of its divisors is an integer number (27322008).

Almost surely, 2^605161660 is an apocalyptic number.

It is an amenable number.

605161660 is an abundant number, since it is smaller than the sum of its proper divisors (706294724).

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

605161660 is a wasteful number, since it uses less digits than its factorization.

605161660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6788 counting only the distinct ones).

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

The square root of 605161660 is about 24600.0337398143. The cubic root of 605161660 is about 845.8443807973.

The spelling of 605161660 in words is "six hundred five million, one hundred sixty-one thousand, six hundred sixty".