733831161 has 16 divisors (see below), whose sum is σ = 1145493888. Its totient is φ = 409104000.

The previous prime is 733831157. The next prime is 733831183. The reversal of 733831161 is 161138337.

It is not a de Polignac number, because 733831161 - 2² = 733831157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (733831121) 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, 425290 + ... + 427011.

It is an arithmetic number, because the mean of its divisors is an integer number (71593368).

Almost surely, 2^733831161 is an apocalyptic number.

It is an amenable number.

733831161 is a deficient number, since it is larger than the sum of its proper divisors (411662727).

733831161 is a wasteful number, since it uses less digits than its factorization.

733831161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852352.

The product of its digits is 9072, while the sum is 33.

The square root of 733831161 is about 27089.3182084747. The cubic root of 733831161 is about 901.9837563426.

Adding to 733831161 its reverse (161138337), we get a palindrome (894969498).

The spelling of 733831161 in words is "seven hundred thirty-three million, eight hundred thirty-one thousand, one hundred sixty-one".