163435534361 has 4 divisors (see below), whose sum is σ = 178293310224. Its totient is φ = 148577758500.

The previous prime is 163435534333. The next prime is 163435534393.

It is a happy number.

163435534361 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163435534361 - 2²⁶ = 163368425497 is a prime.

It is a super-2 number, since 2×163435534361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163435534321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7428887915 + ... + 7428887936.

It is an arithmetic number, because the mean of its divisors is an integer number (44573327556).

Almost surely, 2^163435534361 is an apocalyptic number.

163435534361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163435534361 is a deficient number, since it is larger than the sum of its proper divisors (14857775863).

163435534361 is a wasteful number, since it uses less digits than its factorization.

163435534361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14857775862.

The product of its digits is 1166400, while the sum is 44.

It can be divided in two parts, 163435 and 534361, that added together give a palindrome (697796).

The spelling of 163435534361 in words is "one hundred sixty-three billion, four hundred thirty-five million, five hundred thirty-four thousand, three hundred sixty-one".