165314553 has 8 divisors (see below), whose sum is σ = 220707648. Its totient is φ = 110065584.

The previous prime is 165314551. The next prime is 165314561. The reversal of 165314553 is 355413561.

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

It is not a de Polignac number, because 165314553 - 2¹ = 165314551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165314551) 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, 33325 + ... + 37962.

It is an arithmetic number, because the mean of its divisors is an integer number (27588456).

Almost surely, 2^165314553 is an apocalyptic number.

It is an amenable number.

165314553 is a deficient number, since it is larger than the sum of its proper divisors (55393095).

165314553 is an equidigital number, since it uses as much as digits as its factorization.

165314553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72063.

The product of its digits is 27000, while the sum is 33.

The square root of 165314553 is about 12857.4707077248. The cubic root of 165314553 is about 548.8289718451.

The spelling of 165314553 in words is "one hundred sixty-five million, three hundred fourteen thousand, five hundred fifty-three".