165498053 has 4 divisors (see below), whose sum is σ = 189140640. Its totient is φ = 141855468.

The previous prime is 165498023. The next prime is 165498059. The reversal of 165498053 is 350894561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165498053 - 2¹² = 165493957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165498053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165498059) 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, 11821283 + ... + 11821296.

It is an arithmetic number, because the mean of its divisors is an integer number (47285160).

Almost surely, 2^165498053 is an apocalyptic number.

It is an amenable number.

165498053 is a deficient number, since it is larger than the sum of its proper divisors (23642587).

165498053 is an equidigital number, since it uses as much as digits as its factorization.

165498053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23642586.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 165498053 is about 12864.6046577421. The cubic root of 165498053 is about 549.0319644120.

The spelling of 165498053 in words is "one hundred sixty-five million, four hundred ninety-eight thousand, fifty-three".