165050565616555 has 8 divisors (see below), whose sum is σ = 198064868212800. Its totient is φ = 132037659511296.

The previous prime is 165050565616529. The next prime is 165050565616633. The reversal of 165050565616555 is 555616565050561.

165050565616555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165050565616555 - 2⁹ = 165050565616043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165050565616493 and 165050565616502.

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, 348862710 + ... + 349335499.

It is an arithmetic number, because the mean of its divisors is an integer number (24758108526600).

Almost surely, 2^{165050565616555} is an apocalyptic number.

165050565616555 is a deficient number, since it is larger than the sum of its proper divisors (33014302596245).

165050565616555 is an equidigital number, since it uses as much as digits as its factorization.

165050565616555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698245493.

The product of its (nonzero) digits is 101250000, while the sum is 61.

The spelling of 165050565616555 in words is "one hundred sixty-five trillion, fifty billion, five hundred sixty-five million, six hundred sixteen thousand, five hundred fifty-five".