165150722006015 has 16 divisors (see below), whose sum is σ = 211799672521632. Its totient is φ = 123186640794624.

The previous prime is 165150722005999. The next prime is 165150722006033. The reversal of 165150722006015 is 510600227051561.

It is a cyclic number.

It is not a de Polignac number, because 165150722006015 - 2⁴ = 165150722005999 is a prime.

It is a super-3 number, since 3×165150722006015³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9079194974 + ... + 9079213163.

It is an arithmetic number, because the mean of its divisors is an integer number (13237479532602).

Almost surely, 2^{165150722006015} is an apocalyptic number.

165150722006015 is a deficient number, since it is larger than the sum of its proper divisors (46648950515617).

165150722006015 is a wasteful number, since it uses less digits than its factorization.

165150722006015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18158408266.

The product of its (nonzero) digits is 126000, while the sum is 41.

Adding to 165150722006015 its reverse (510600227051561), we get a palindrome (675750949057576).

The spelling of 165150722006015 in words is "one hundred sixty-five trillion, one hundred fifty billion, seven hundred twenty-two million, six thousand, fifteen".