163211511334 has 32 divisors (see below), whose sum is σ = 253353627360. Its totient is φ = 78816621312.

The previous prime is 163211511311. The next prime is 163211511343. The reversal of 163211511334 is 433115112361.

It is a junction number, because it is equal to n+sod(n) for n = 163211511296 and 163211511305.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2103412 + ... + 2179624.

It is an arithmetic number, because the mean of its divisors is an integer number (7917300855).

Almost surely, 2^163211511334 is an apocalyptic number.

163211511334 is a deficient number, since it is larger than the sum of its proper divisors (90142116026).

163211511334 is a wasteful number, since it uses less digits than its factorization.

163211511334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76584.

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

Adding to 163211511334 its reverse (433115112361), we get a palindrome (596326623695).

The spelling of 163211511334 in words is "one hundred sixty-three billion, two hundred eleven million, five hundred eleven thousand, three hundred thirty-four".