165183663 has 8 divisors (see below), whose sum is σ = 231836800. Its totient is φ = 104326488.

The previous prime is 165183661. The next prime is 165183673. The reversal of 165183663 is 366381561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165183663 - 2¹ = 165183661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165183661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448923 + ... + 1449036.

It is an arithmetic number, because the mean of its divisors is an integer number (28979600).

Almost surely, 2^165183663 is an apocalyptic number.

165183663 is a deficient number, since it is larger than the sum of its proper divisors (66653137).

165183663 is a wasteful number, since it uses less digits than its factorization.

165183663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897981.

The product of its digits is 77760, while the sum is 39.

The square root of 165183663 is about 12852.3796629262. The cubic root of 165183663 is about 548.6840860495.

The spelling of 165183663 in words is "one hundred sixty-five million, one hundred eighty-three thousand, six hundred sixty-three".