161333833133 has 8 divisors (see below), whose sum is σ = 176005833120. Its totient is φ = 146662714480.

The previous prime is 161333833103. The next prime is 161333833207. The reversal of 161333833133 is 331338333161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161333833133 - 2¹² = 161333829037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161333833103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196766 + ... + 601152.

It is an arithmetic number, because the mean of its divisors is an integer number (22000729140).

Almost surely, 2^161333833133 is an apocalyptic number.

It is an amenable number.

161333833133 is a deficient number, since it is larger than the sum of its proper divisors (14671999987).

161333833133 is a wasteful number, since it uses less digits than its factorization.

161333833133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440667.

The product of its digits is 104976, while the sum is 38.

The spelling of 161333833133 in words is "one hundred sixty-one billion, three hundred thirty-three million, eight hundred thirty-three thousand, one hundred thirty-three".