233161231216 has 10 divisors (see below), whose sum is σ = 451749885512. Its totient is φ = 116580615600.

The previous prime is 233161231211. The next prime is 233161231223. The reversal of 233161231216 is 612132161332.

233161231216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×233161231216² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233161231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7286288460 + ... + 7286288491.

Almost surely, 2^233161231216 is an apocalyptic number.

It is an amenable number.

233161231216 is a deficient number, since it is larger than the sum of its proper divisors (218588654296).

233161231216 is a wasteful number, since it uses less digits than its factorization.

233161231216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572576959 (or 14572576953 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

Adding to 233161231216 its reverse (612132161332), we get a palindrome (845293392548).

The spelling of 233161231216 in words is "two hundred thirty-three billion, one hundred sixty-one million, two hundred thirty-one thousand, two hundred sixteen".