165353143653345 has 8 divisors (see below), whose sum is σ = 264565029845376. Its totient is φ = 88188343281776.

The previous prime is 165353143653223. The next prime is 165353143653371. The reversal of 165353143653345 is 543356341353561.

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 165353143653345 - 2¹⁰ = 165353143652321 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511771455097 + ... + 5511771455126.

It is an arithmetic number, because the mean of its divisors is an integer number (33070628730672).

Almost surely, 2^{165353143653345} is an apocalyptic number.

165353143653345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165353143653345 is a deficient number, since it is larger than the sum of its proper divisors (99211886192031).

165353143653345 is a wasteful number, since it uses less digits than its factorization.

165353143653345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023542910231.

The product of its digits is 87480000, while the sum is 57.

The spelling of 165353143653345 in words is "one hundred sixty-five trillion, three hundred fifty-three billion, one hundred forty-three million, six hundred fifty-three thousand, three hundred forty-five".