181334828 has 6 divisors (see below), whose sum is σ = 317335956. Its totient is φ = 90667412.

The previous prime is 181334819. The next prime is 181334833. The reversal of 181334828 is 828433181.

It is a junction number, because it is equal to n+sod(n) for n = 181334791 and 181334800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22666850 + ... + 22666857.

It is an arithmetic number, because the mean of its divisors is an integer number (52889326).

Almost surely, 2^181334828 is an apocalyptic number.

It is an amenable number.

181334828 is a deficient number, since it is larger than the sum of its proper divisors (136001128).

181334828 is a wasteful number, since it uses less digits than its factorization.

181334828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45333711 (or 45333709 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 181334828 is about 13466.0620821382. The cubic root of 181334828 is about 566.0138717273.

The spelling of 181334828 in words is "one hundred eighty-one million, three hundred thirty-four thousand, eight hundred twenty-eight".