16516010018 has 16 divisors (see below), whose sum is σ = 24925608576. Its totient is φ = 8207506320.

The previous prime is 16516010011. The next prime is 16516010099. The reversal of 16516010018 is 81001061561.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16516010011) 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, 1354055 + ... + 1366197.

It is an arithmetic number, because the mean of its divisors is an integer number (1557850536).

Almost surely, 2^16516010018 is an apocalyptic number.

16516010018 is a deficient number, since it is larger than the sum of its proper divisors (8409598558).

16516010018 is a wasteful number, since it uses less digits than its factorization.

16516010018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249.

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 16516010018 its reverse (81001061561), we get a palindrome (97517071579).

The spelling of 16516010018 in words is "sixteen billion, five hundred sixteen million, ten thousand, eighteen".