161873333 has 8 divisors (see below), whose sum is σ = 169060608. Its totient is φ = 154698544.

The previous prime is 161873329. The next prime is 161873357. The reversal of 161873333 is 333378161.

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 161873333 - 2² = 161873329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161873293 and 161873302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161873363) 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, 31835 + ... + 36567.

It is an arithmetic number, because the mean of its divisors is an integer number (21132576).

Almost surely, 2^161873333 is an apocalyptic number.

It is an amenable number.

161873333 is a deficient number, since it is larger than the sum of its proper divisors (7187275).

161873333 is a wasteful number, since it uses less digits than its factorization.

161873333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243.

The product of its digits is 27216, while the sum is 35.

The square root of 161873333 is about 12722.9451386069. The cubic root of 161873333 is about 544.9940610412.

The spelling of 161873333 in words is "one hundred sixty-one million, eight hundred seventy-three thousand, three hundred thirty-three".