165130733 has 8 divisors (see below), whose sum is σ = 167139648. Its totient is φ = 163129824.

The previous prime is 165130723. The next prime is 165130747. The reversal of 165130733 is 337031561.

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 165130733 - 2⁴ = 165130717 is a prime.

It is a super-2 number, since 2×165130733² = 54536317962234578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165130696 and 165130705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165130723) 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, 46385 + ... + 49817.

It is an arithmetic number, because the mean of its divisors is an integer number (20892456).

Almost surely, 2^165130733 is an apocalyptic number.

It is an amenable number.

165130733 is a deficient number, since it is larger than the sum of its proper divisors (2008915).

165130733 is a wasteful number, since it uses less digits than its factorization.

165130733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 165130733 is about 12850.3203462015. The cubic root of 165130733 is about 548.6254746214.

The spelling of 165130733 in words is "one hundred sixty-five million, one hundred thirty thousand, seven hundred thirty-three".