165153165 has 8 divisors (see below), whose sum is σ = 264245088. Its totient is φ = 88081680.

The previous prime is 165153139. The next prime is 165153193. The reversal of 165153165 is 561351561.

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

It is not a de Polignac number, because 165153165 - 2⁶ = 165153101 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent 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, 5505091 + ... + 5505120.

It is an arithmetic number, because the mean of its divisors is an integer number (33030636).

Almost surely, 2^165153165 is an apocalyptic number.

165153165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165153165 is a deficient number, since it is larger than the sum of its proper divisors (99091923).

165153165 is a wasteful number, since it uses less digits than its factorization.

165153165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010219.

The product of its digits is 13500, while the sum is 33.

The square root of 165153165 is about 12851.1931352696. The cubic root of 165153165 is about 548.6503159682.

The spelling of 165153165 in words is "one hundred sixty-five million, one hundred fifty-three thousand, one hundred sixty-five".