605161672 has 8 divisors (see below), whose sum is σ = 1134678150. Its totient is φ = 302580832.

The previous prime is 605161651. The next prime is 605161691. The reversal of 605161672 is 276161506.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 423289476 + 181872196 = 20574^2 + 13486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37822597 + ... + 37822612.

Almost surely, 2^605161672 is an apocalyptic number.

It is an amenable number.

605161672 is a deficient number, since it is larger than the sum of its proper divisors (529516478).

605161672 is a wasteful number, since it uses less digits than its factorization.

605161672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75645215 (or 75645211 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 605161672 is about 24600.0339837164. The cubic root of 605161672 is about 845.8443863882.

The spelling of 605161672 in words is "six hundred five million, one hundred sixty-one thousand, six hundred seventy-two".