160004000025 has 63 divisors (see below), whose sum is σ = 297571789039. Its totient is φ = 85306666320.

The previous prime is 160004000011. The next prime is 160004000063. The reversal of 160004000025 is 520000400061.

It is a happy number.

The square root of 160004000025 is 400005.

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

160004000025 is a `hidden beast` number, since 1 + 600 + 0 + 40 + 0 + 0 + 0 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57601440009 + 102402560016 = 240003^2 + 320004^2 .

It is not a de Polignac number, because 160004000025 - 2⁵ = 160003999993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160003999971 and 160004000007.

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 62 ways as a sum of consecutive naturals, for example, 53999194 + ... + 54002156.

Almost surely, 2^160004000025 is an apocalyptic number.

160004000025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

160004000025 is the 400005-th square number.

160004000025 is the 200003-rd centered octagonal number.

It is an amenable number.

160004000025 is a deficient number, since it is larger than the sum of its proper divisors (137567789014).

160004000025 is an frugal number, since it uses more digits than its factorization.

160004000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 160004000025 its reverse (520000400061), we get a palindrome (680004400086).

The spelling of 160004000025 in words is "one hundred sixty billion, four million, twenty-five", and thus it is an aban number.