165020050565005 has 16 divisors (see below), whose sum is σ = 203139672683904. Its totient is φ = 128621099154240.

The previous prime is 165020050564883. The next prime is 165020050565023. The reversal of 165020050565005 is 500565050020561.

It is not a de Polignac number, because 165020050565005 - 2⁹ = 165020050564493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966583561 + ... + 966754270.

It is an arithmetic number, because the mean of its divisors is an integer number (12696229542744).

Almost surely, 2^{165020050565005} is an apocalyptic number.

It is an amenable number.

165020050565005 is a deficient number, since it is larger than the sum of its proper divisors (38119622118899).

165020050565005 is a wasteful number, since it uses less digits than its factorization.

165020050565005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933338276.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 165020050565005 in words is "one hundred sixty-five trillion, twenty billion, fifty million, five hundred sixty-five thousand, five".