160631325 has 18 divisors (see below), whose sum is σ = 287708954. Its totient is φ = 85669920.

The previous prime is 160631299. The next prime is 160631327. The reversal of 160631325 is 523136061.

160631325 is a `hidden beast` number, since 1 + 6 + 0 + 631 + 3 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3229209 + 157402116 = 1797^2 + 12546^2 .

It is not a de Polignac number, because 160631325 - 2⁵ = 160631293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160631327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 356734 + ... + 357183.

Almost surely, 2^160631325 is an apocalyptic number.

160631325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

160631325 is a deficient number, since it is larger than the sum of its proper divisors (127077629).

160631325 is a wasteful number, since it uses less digits than its factorization.

160631325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713933 (or 713925 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 160631325 is about 12674.0413838681. The cubic root of 160631325 is about 543.5966194417.

Adding to 160631325 its reverse (523136061), we get a palindrome (683767386).

The spelling of 160631325 in words is "one hundred sixty million, six hundred thirty-one thousand, three hundred twenty-five".