165017327055755 has 32 divisors (see below), whose sum is σ = 217256373987840. Its totient is φ = 119766279628800.

The previous prime is 165017327055709. The next prime is 165017327055797. The reversal of 165017327055755 is 557550723710561.

It is not a de Polignac number, because 165017327055755 - 2¹⁰ = 165017327054731 is a prime.

It is a super-2 number, since 2×165017327055755² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165017327055694 and 165017327055703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53647196 + ... + 56639705.

It is an arithmetic number, because the mean of its divisors is an integer number (6789261687120).

Almost surely, 2^{165017327055755} is an apocalyptic number.

165017327055755 is a deficient number, since it is larger than the sum of its proper divisors (52239046932085).

165017327055755 is a wasteful number, since it uses less digits than its factorization.

165017327055755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110287559.

The product of its (nonzero) digits is 38587500, while the sum is 59.

The spelling of 165017327055755 in words is "one hundred sixty-five trillion, seventeen billion, three hundred twenty-seven million, fifty-five thousand, seven hundred fifty-five".