165663114606364 has 48 divisors (see below), whose sum is σ = 307565816342400. Its totient is φ = 77806421876736.

The previous prime is 165663114606361. The next prime is 165663114606373. The reversal of 165663114606364 is 463606411366561.

It is a junction number, because it is equal to n+sod(n) for n = 165663114606299 and 165663114606308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165663114606361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69707517 + ... + 72044875.

It is an arithmetic number, because the mean of its divisors is an integer number (6407621173800).

Almost surely, 2^{165663114606364} is an apocalyptic number.

It is an amenable number.

165663114606364 is a deficient number, since it is larger than the sum of its proper divisors (141902701736036).

165663114606364 is a wasteful number, since it uses less digits than its factorization.

165663114606364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339422 (or 2339420 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 165663114606364 in words is "one hundred sixty-five trillion, six hundred sixty-three billion, one hundred fourteen million, six hundred six thousand, three hundred sixty-four".