165151055217005 has 64 divisors (see below), whose sum is σ = 245495768474880. Its totient is φ = 104858211225600.

The previous prime is 165151055216993. The next prime is 165151055217017. The reversal of 165151055217005 is 500712550151561.

165151055217005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165151055216993) and next prime (165151055217017).

It is not a de Polignac number, because 165151055217005 - 2⁶ = 165151055216941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2194406 + ... + 18306215.

It is an arithmetic number, because the mean of its divisors is an integer number (3835871382420).

Almost surely, 2^{165151055217005} is an apocalyptic number.

It is an amenable number.

165151055217005 is a deficient number, since it is larger than the sum of its proper divisors (80344713257875).

165151055217005 is a wasteful number, since it uses less digits than its factorization.

165151055217005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20501262.

The product of its (nonzero) digits is 262500, while the sum is 44.

The spelling of 165151055217005 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, fifty-five million, two hundred seventeen thousand, five".