165051016500055 has 8 divisors (see below), whose sum is σ = 226355679771552. Its totient is φ = 113177839885728.

The previous prime is 165051016500023. The next prime is 165051016500121. The reversal of 165051016500055 is 550005610150561.

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 165051016500055 - 2⁵ = 165051016500023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165051016499990 and 165051016500017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357871664252 + ... + 2357871664321.

It is an arithmetic number, because the mean of its divisors is an integer number (28294459971444).

Almost surely, 2^{165051016500055} is an apocalyptic number.

165051016500055 is a deficient number, since it is larger than the sum of its proper divisors (61304663271497).

165051016500055 is an equidigital number, since it uses as much as digits as its factorization.

165051016500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715743328585.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 165051016500055 in words is "one hundred sixty-five trillion, fifty-one billion, sixteen million, five hundred thousand, fifty-five".