165379039 has 8 divisors (see below), whose sum is σ = 197222400. Its totient is φ = 135590136.

The previous prime is 165379037. The next prime is 165379063. The reversal of 165379039 is 930973561.

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 165379039 - 2¹ = 165379037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165378986 and 165379004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165379031) 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, 513439 + ... + 513760.

It is an arithmetic number, because the mean of its divisors is an integer number (24652800).

Almost surely, 2^165379039 is an apocalyptic number.

165379039 is a deficient number, since it is larger than the sum of its proper divisors (31843361).

165379039 is a wasteful number, since it uses less digits than its factorization.

165379039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027229.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 165379039 is about 12859.9781881619. The cubic root of 165379039 is about 548.9003250795.

The spelling of 165379039 in words is "one hundred sixty-five million, three hundred seventy-nine thousand, thirty-nine".