168054903025 has 27 divisors (see below), whose sum is σ = 210092053899. Its totient is φ = 133353468720.

The previous prime is 168054903019. The next prime is 168054903041. The reversal of 168054903025 is 520309450861.

The square root of 168054903025 is 409945.

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

It can be written as a sum of positive squares in only one way, i.e., 60499765089 + 107555137936 = 245967^2 + 327956^2 .

It is not a de Polignac number, because 168054903025 - 2¹⁷ = 168054771953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 334104924 + ... + 334105426.

Almost surely, 2^168054903025 is an apocalyptic number.

168054903025 is the 409945-th square number.

168054903025 is the 204973-rd centered octagonal number.

It is an amenable number.

168054903025 is a deficient number, since it is larger than the sum of its proper divisors (42037150874).

168054903025 is an frugal number, since it uses more digits than its factorization.

168054903025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 168054903025 in words is "one hundred sixty-eight billion, fifty-four million, nine hundred three thousand, twenty-five".