163320651105 has 16 divisors (see below), whose sum is σ = 261338291520. Its totient is φ = 87095930688.

The previous prime is 163320651083. The next prime is 163320651121. The reversal of 163320651105 is 501156023361.

It is not a de Polignac number, because 163320651105 - 2⁹ = 163320650593 is a prime.

It is a super-2 number, since 2×163320651105² (a number of 23 digits) contains 22 as substring.

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, 364015 + ... + 677604.

It is an arithmetic number, because the mean of its divisors is an integer number (16333643220).

Almost surely, 2^163320651105 is an apocalyptic number.

163320651105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163320651105 is a deficient number, since it is larger than the sum of its proper divisors (98017640415).

163320651105 is a wasteful number, since it uses less digits than its factorization.

163320651105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052080.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 163320651105 its reverse (501156023361), we get a palindrome (664476674466).

The spelling of 163320651105 in words is "one hundred sixty-three billion, three hundred twenty million, six hundred fifty-one thousand, one hundred five".