165472 has 12 divisors (see below), whose sum is σ = 325836. Its totient is φ = 82720.
The previous prime is 165469. The next prime is 165479. The reversal of 165472 is 274561.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (165479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554 + ... + 2617.
It is an arithmetic number, because the mean of its divisors is an integer number (27153).
2165472 is an apocalyptic number.
It is an amenable number.
165472 is a deficient number, since it is larger than the sum of its proper divisors (160364).
165472 is an equidigital number, since it uses as much as digits as its factorization.
165472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5181 (or 5173 counting only the distinct ones).
The product of its digits is 1680, while the sum is 25.
The square root of 165472 is about 406.7824971653. The cubic root of 165472 is about 54.9003153035.
The spelling of 165472 in words is "one hundred sixty-five thousand, four hundred seventy-two".
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