165501416303122 has 8 divisors (see below), whose sum is σ = 248256871215372. Its totient is φ = 82749125898000.

The previous prime is 165501416303087. The next prime is 165501416303129. The reversal of 165501416303122 is 221303614105561.

It can be written as a sum of positive squares in 2 ways, for example, as 146171509399881 + 19329906903241 = 12090141^2 + 4396579^2 .

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

It is not an unprimeable number, because it can be changed into a prime (165501416303129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790996029 + ... + 791205232.

Almost surely, 2^{165501416303122} is an apocalyptic number.

165501416303122 is a deficient number, since it is larger than the sum of its proper divisors (82755454912250).

165501416303122 is a wasteful number, since it uses less digits than its factorization.

165501416303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582253564.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 165501416303122 in words is "one hundred sixty-five trillion, five hundred one billion, four hundred sixteen million, three hundred three thousand, one hundred twenty-two".