166598560 has 24 divisors (see below), whose sum is σ = 393589476. Its totient is φ = 66639360.

The previous prime is 166598527. The next prime is 166598561. The reversal of 166598560 is 65895661.

166598560 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 2 ways, for example, as 152670736 + 13927824 = 12356^2 + 3732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166598560.

It is not an unprimeable number, because it can be changed into a prime (166598561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520461 + ... + 520780.

Almost surely, 2^166598560 is an apocalyptic number.

166598560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166598560 is an abundant number, since it is smaller than the sum of its proper divisors (226990916).

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

166598560 is a wasteful number, since it uses less digits than its factorization.

166598560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041256 (or 1041248 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 166598560 is about 12907.3064579718. The cubic root of 166598560 is about 550.2462368499.

The spelling of 166598560 in words is "one hundred sixty-six million, five hundred ninety-eight thousand, five hundred sixty".