165340615 has 8 divisors (see below), whose sum is σ = 216445968. Its totient is φ = 120247680.

The previous prime is 165340613. The next prime is 165340619. The reversal of 165340615 is 516043561.

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

It is not a de Polignac number, because 165340615 - 2¹ = 165340613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165340613) 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, 1503042 + ... + 1503151.

It is an arithmetic number, because the mean of its divisors is an integer number (27055746).

Almost surely, 2^165340615 is an apocalyptic number.

165340615 is a deficient number, since it is larger than the sum of its proper divisors (51105353).

165340615 is a wasteful number, since it uses less digits than its factorization.

165340615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006209.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165340615 is about 12858.4841641618. The cubic root of 165340615 is about 548.8578114699.

The spelling of 165340615 in words is "one hundred sixty-five million, three hundred forty thousand, six hundred fifteen".