165673355 has 8 divisors (see below), whose sum is σ = 203038272. Its totient is φ = 129718528.

The previous prime is 165673327. The next prime is 165673421. The reversal of 165673355 is 553376561.

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 165673355 - 2⁸ = 165673099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352262 + ... + 352731.

It is an arithmetic number, because the mean of its divisors is an integer number (25379784).

Almost surely, 2^165673355 is an apocalyptic number.

165673355 is a deficient number, since it is larger than the sum of its proper divisors (37364917).

165673355 is an equidigital number, since it uses as much as digits as its factorization.

165673355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705045.

The product of its digits is 283500, while the sum is 41.

The square root of 165673355 is about 12871.4162002477. The cubic root of 165673355 is about 549.2257480386.

The spelling of 165673355 in words is "one hundred sixty-five million, six hundred seventy-three thousand, three hundred fifty-five".