165163216 has 20 divisors (see below), whose sum is σ = 320363424. Its totient is φ = 82488800.

The previous prime is 165163213. The next prime is 165163249. The reversal of 165163216 is 612361561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165163213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10221 + ... + 20851.

Almost surely, 2^165163216 is an apocalyptic number.

165163216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165163216 is a deficient number, since it is larger than the sum of its proper divisors (155200208).

165163216 is a wasteful number, since it uses less digits than its factorization.

165163216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610 (or 11604 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 165163216 is about 12851.5841825045. The cubic root of 165163216 is about 548.6614457831.

The spelling of 165163216 in words is "one hundred sixty-five million, one hundred sixty-three thousand, two hundred sixteen".