608621540164 has 27 divisors (see below), whose sum is σ = 1170749242173. Its totient is φ = 276638353200.

The previous prime is 608621540161. The next prime is 608621540183. The reversal of 608621540164 is 461045126806.

The square root of 608621540164 is 780142.

It is a perfect power (a square), and thus also a powerful number.

608621540164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 241530965764 + 367090574400 = 491458^2 + 605880^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 608621540164.

It is not an unprimeable number, because it can be changed into a prime (608621540161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17145394 + ... + 17180854.

Almost surely, 2^608621540164 is an apocalyptic number.

608621540164 is the 780142-nd square number.

It is an amenable number.

608621540164 is a deficient number, since it is larger than the sum of its proper divisors (562127702009).

608621540164 is an frugal number, since it uses more digits than its factorization.

608621540164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70948 (or 35474 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 608621540164 in words is "six hundred eight billion, six hundred twenty-one million, five hundred forty thousand, one hundred sixty-four".