165343373 has 4 divisors (see below), whose sum is σ = 178062108. Its totient is φ = 152624640.

The previous prime is 165343369. The next prime is 165343393. The reversal of 165343373 is 373343561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30713764 + 134629609 = 5542^2 + 11603^2 .

It is a cyclic number.

It is not a de Polignac number, because 165343373 - 2² = 165343369 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 (165343393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6359348 + ... + 6359373.

It is an arithmetic number, because the mean of its divisors is an integer number (44515527).

Almost surely, 2^165343373 is an apocalyptic number.

165343373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165343373 is a deficient number, since it is larger than the sum of its proper divisors (12718735).

165343373 is a wasteful number, since it uses less digits than its factorization.

165343373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718734.

The product of its digits is 68040, while the sum is 35.

The square root of 165343373 is about 12858.5914080820. The cubic root of 165343373 is about 548.8608632335.

The spelling of 165343373 in words is "one hundred sixty-five million, three hundred forty-three thousand, three hundred seventy-three".