161874333 has 6 divisors (see below), whose sum is σ = 233818494. Its totient is φ = 107916216.

The previous prime is 161874313. The next prime is 161874341. The reversal of 161874333 is 333478161.

161874333 is a `hidden beast` number, since 1 + 618 + 7 + 4 + 3 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 142134084 + 19740249 = 11922^2 + 4443^2 .

It is not a de Polignac number, because 161874333 - 2¹⁷ = 161743261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161874313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8993010 + ... + 8993027.

It is an arithmetic number, because the mean of its divisors is an integer number (38969749).

Almost surely, 2^161874333 is an apocalyptic number.

It is an amenable number.

161874333 is a deficient number, since it is larger than the sum of its proper divisors (71944161).

161874333 is a wasteful number, since it uses less digits than its factorization.

161874333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986043 (or 17986040 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 161874333 is about 12722.9844376231. The cubic root of 161874333 is about 544.9951833034.

The spelling of 161874333 in words is "one hundred sixty-one million, eight hundred seventy-four thousand, three hundred thirty-three".