160989225 has 12 divisors (see below), whose sum is σ = 266168976. Its totient is φ = 85860880.

The previous prime is 160989221. The next prime is 160989277. The reversal of 160989225 is 522989061.

It is not a de Polignac number, because 160989225 - 2² = 160989221 is a prime.

It is a super-2 number, since 2×160989225² = 51835061132201250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160989221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1073187 + ... + 1073336.

It is an arithmetic number, because the mean of its divisors is an integer number (22180748).

Almost surely, 2^160989225 is an apocalyptic number.

160989225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

160989225 is a deficient number, since it is larger than the sum of its proper divisors (105179751).

160989225 is a wasteful number, since it uses less digits than its factorization.

160989225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146536 (or 2146531 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 160989225 is about 12688.1529388639. The cubic root of 160989225 is about 544.0000461812. Note that the first 4 decimals are identical.

The spelling of 160989225 in words is "one hundred sixty million, nine hundred eighty-nine thousand, two hundred twenty-five".