8216018 has 8 divisors (see below), whose sum is σ = 12972720. Its totient is φ = 3891780.

The previous prime is 8216017. The next prime is 8216057. The reversal of 8216018 is 8106128.

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

It is not an unprimeable number, because it can be changed into a prime (8216017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108068 + ... + 108143.

It is an arithmetic number, because the mean of its divisors is an integer number (1621590).

Almost surely, 2^8216018 is an apocalyptic number.

8216018 is a deficient number, since it is larger than the sum of its proper divisors (4756702).

8216018 is a wasteful number, since it uses less digits than its factorization.

8216018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216232.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 8216018 is about 2866.3597122483. The cubic root of 8216018 is about 201.7841860700.

The spelling of 8216018 in words is "eight million, two hundred sixteen thousand, eighteen".