165322253 has 8 divisors (see below), whose sum is σ = 170316000. Its totient is φ = 160356240.

The previous prime is 165322247. The next prime is 165322259. The reversal of 165322253 is 352223561.

It is an interprime number because it is at equal distance from previous prime (165322247) and next prime (165322259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165322253 - 2⁴ = 165322237 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 (165322259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5498 + ... + 18996.

It is an arithmetic number, because the mean of its divisors is an integer number (21289500).

Almost surely, 2^165322253 is an apocalyptic number.

It is an amenable number.

165322253 is a deficient number, since it is larger than the sum of its proper divisors (4993747).

165322253 is a wasteful number, since it uses less digits than its factorization.

165322253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13867.

The product of its digits is 10800, while the sum is 29.

The square root of 165322253 is about 12857.7701410470. The cubic root of 165322253 is about 548.8374928079.

The spelling of 165322253 in words is "one hundred sixty-five million, three hundred twenty-two thousand, two hundred fifty-three".