160631225 has 12 divisors (see below), whose sum is σ = 209666640. Its totient is φ = 121741200.

The previous prime is 160631197. The next prime is 160631231. The reversal of 160631225 is 522136061.

It is not a de Polignac number, because 160631225 - 2⁶ = 160631161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160631194 and 160631203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168611 + ... + 169560.

It is an arithmetic number, because the mean of its divisors is an integer number (17472220).

Almost surely, 2^160631225 is an apocalyptic number.

It is an amenable number.

160631225 is a deficient number, since it is larger than the sum of its proper divisors (49035415).

160631225 is a wasteful number, since it uses less digits than its factorization.

160631225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338200 (or 338195 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 160631225 is about 12674.0374387959. The cubic root of 160631225 is about 543.5965066375.

Adding to 160631225 its reverse (522136061), we get a palindrome (682767286).

The spelling of 160631225 in words is "one hundred sixty million, six hundred thirty-one thousand, two hundred twenty-five".