165474959 has 8 divisors (see below), whose sum is σ = 179935392. Its totient is φ = 151261920.

The previous prime is 165474929. The next prime is 165474961. The reversal of 165474959 is 959474561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165474959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165474929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60452 + ... + 63129.

It is an arithmetic number, because the mean of its divisors is an integer number (22491924).

Almost surely, 2^165474959 is an apocalyptic number.

165474959 is a deficient number, since it is larger than the sum of its proper divisors (14460433).

165474959 is a wasteful number, since it uses less digits than its factorization.

165474959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123697.

The product of its digits is 1360800, while the sum is 50.

The square root of 165474959 is about 12863.7070473484. The cubic root of 165474959 is about 549.0064254730.

The spelling of 165474959 in words is "one hundred sixty-five million, four hundred seventy-four thousand, nine hundred fifty-nine".