165359469 has 8 divisors (see below), whose sum is σ = 240522912. Its totient is φ = 100217840.

The previous prime is 165359399. The next prime is 165359473. The reversal of 165359469 is 964953561.

It is a happy number.

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 165359469 - 2²⁰ = 164310893 is a prime.

It is a super-2 number, since 2×165359469² = 54687507975923922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165359069) 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, 2505414 + ... + 2505479.

It is an arithmetic number, because the mean of its divisors is an integer number (30065364).

Almost surely, 2^165359469 is an apocalyptic number.

It is an amenable number.

165359469 is a deficient number, since it is larger than the sum of its proper divisors (75163443).

165359469 is a wasteful number, since it uses less digits than its factorization.

165359469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010907.

The product of its digits is 874800, while the sum is 48.

The square root of 165359469 is about 12859.2172778906. The cubic root of 165359469 is about 548.8786729944.

The spelling of 165359469 in words is "one hundred sixty-five million, three hundred fifty-nine thousand, four hundred sixty-nine".