168380573 has 4 divisors (see below), whose sum is σ = 168912060. Its totient is φ = 167849088.

The previous prime is 168380567. The next prime is 168380609. The reversal of 168380573 is 375083861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78092569 + 90288004 = 8837^2 + 9502^2 .

It is a cyclic number.

It is not a de Polignac number, because 168380573 - 2¹⁸ = 168118429 is a prime.

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 168380573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168380503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265268 + ... + 265901.

It is an arithmetic number, because the mean of its divisors is an integer number (42228015).

Almost surely, 2^168380573 is an apocalyptic number.

It is an amenable number.

168380573 is a deficient number, since it is larger than the sum of its proper divisors (531487).

168380573 is an equidigital number, since it uses as much as digits as its factorization.

168380573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531486.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 168380573 is about 12976.1540141908. The cubic root of 168380573 is about 552.2011766284.

The spelling of 168380573 in words is "one hundred sixty-eight million, three hundred eighty thousand, five hundred seventy-three".