33161216133 has 16 divisors (see below), whose sum is σ = 44436340800. Its totient is φ = 21997050240.

The previous prime is 33161216117. The next prime is 33161216147.

33161216133 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 33161216133 - 2⁴ = 33161216117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33161216133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33161216233) 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, 472633 + ... + 538241.

It is an arithmetic number, because the mean of its divisors is an integer number (2777271300).

Almost surely, 2^33161216133 is an apocalyptic number.

It is an amenable number.

33161216133 is a deficient number, since it is larger than the sum of its proper divisors (11275124667).

33161216133 is a wasteful number, since it uses less digits than its factorization.

33161216133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66452.

The product of its digits is 5832, while the sum is 30.

The spelling of 33161216133 in words is "thirty-three billion, one hundred sixty-one million, two hundred sixteen thousand, one hundred thirty-three".