18060208 has 10 divisors (see below), whose sum is σ = 34991684. Its totient is φ = 9030096.

The previous prime is 18060191. The next prime is 18060223. The reversal of 18060208 is 80206081.

It is a super-2 number, since 2×18060208² = 652342226006528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564366 + ... + 564397.

Almost surely, 2^18060208 is an apocalyptic number.

It is an amenable number.

18060208 is a deficient number, since it is larger than the sum of its proper divisors (16931476).

18060208 is a wasteful number, since it uses less digits than its factorization.

18060208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128771 (or 1128765 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18060208 is about 4249.7303443866. The cubic root of 18060208 is about 262.3660171885.

Adding to 18060208 its reverse (80206081), we get a palindrome (98266289).

The spelling of 18060208 in words is "eighteen million, sixty thousand, two hundred eight".