163005500361 has 16 divisors (see below), whose sum is σ = 237106634688. Its totient is φ = 98787993600.

The previous prime is 163005500293. The next prime is 163005500377.

163005500361 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 163005500361 - 2¹⁵ = 163005467593 is a prime.

It is a super-2 number, since 2×163005500361² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163005500461) 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, 1302445 + ... + 1422101.

It is an arithmetic number, because the mean of its divisors is an integer number (14819164668).

Almost surely, 2^163005500361 is an apocalyptic number.

163005500361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163005500361 is a deficient number, since it is larger than the sum of its proper divisors (74101134327).

163005500361 is a wasteful number, since it uses less digits than its factorization.

163005500361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160952.

The product of its (nonzero) digits is 8100, while the sum is 30.

It can be divided in two parts, 163005 and 500361, that added together give a palindrome (663366).

The spelling of 163005500361 in words is "one hundred sixty-three billion, five million, five hundred thousand, three hundred sixty-one".