605164540 has 24 divisors (see below), whose sum is σ = 1274998032. Its totient is φ = 241274880.

The previous prime is 605164531. The next prime is 605164541. The reversal of 605164540 is 45461506.

605164540 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605164541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43141 + ... + 55420.

It is an arithmetic number, because the mean of its divisors is an integer number (53124918).

Almost surely, 2^605164540 is an apocalyptic number.

It is an amenable number.

605164540 is an abundant number, since it is smaller than the sum of its proper divisors (669833492).

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

605164540 is a wasteful number, since it uses less digits than its factorization.

605164540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98877 (or 98875 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 605164540 is about 24600.0922762497. The cubic root of 605164540 is about 845.8457226029.

It can be divided in two parts, 60516 and 4540, that added together give a palindrome (65056).

The spelling of 605164540 in words is "six hundred five million, one hundred sixty-four thousand, five hundred forty".