165043314565562 has 4 divisors (see below), whose sum is σ = 247564971848346. Its totient is φ = 82521657282780.

The previous prime is 165043314565553. The next prime is 165043314565609. The reversal of 165043314565562 is 265565413340561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153477880727161 + 11565433838401 = 12388619^2 + 3400799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165043314565498 and 165043314565507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41260828641389 + ... + 41260828641392.

Almost surely, 2^{165043314565562} is an apocalyptic number.

165043314565562 is a deficient number, since it is larger than the sum of its proper divisors (82521657282784).

165043314565562 is an equidigital number, since it uses as much as digits as its factorization.

165043314565562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82521657282783.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 165043314565562 in words is "one hundred sixty-five trillion, forty-three billion, three hundred fourteen million, five hundred sixty-five thousand, five hundred sixty-two".