165161410362205 has 32 divisors (see below), whose sum is σ = 208200571084800. Its totient is φ = 125662894156800.

The previous prime is 165161410362187. The next prime is 165161410362211. The reversal of 165161410362205 is 502263014161561.

It is not a de Polignac number, because 165161410362205 - 2²³ = 165161401973597 is a prime.

It is a congruent number.

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, 62454045 + ... + 65044834.

It is an arithmetic number, because the mean of its divisors is an integer number (6506267846400).

Almost surely, 2^{165161410362205} is an apocalyptic number.

It is an amenable number.

165161410362205 is a deficient number, since it is larger than the sum of its proper divisors (43039160722595).

165161410362205 is a wasteful number, since it uses less digits than its factorization.

165161410362205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127499085.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 165161410362205 in words is "one hundred sixty-five trillion, one hundred sixty-one billion, four hundred ten million, three hundred sixty-two thousand, two hundred five".