16616018086 has 4 divisors (see below), whose sum is σ = 24924027132. Its totient is φ = 8308009042.

The previous prime is 16616018077. The next prime is 16616018117. The reversal of 16616018086 is 68081061661.

16616018086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4154004520 + ... + 4154004523.

It is an arithmetic number, because the mean of its divisors is an integer number (6231006783).

Almost surely, 2^16616018086 is an apocalyptic number.

16616018086 is a deficient number, since it is larger than the sum of its proper divisors (8308009046).

16616018086 is an equidigital number, since it uses as much as digits as its factorization.

16616018086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308009045.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 16616018086 in words is "sixteen billion, six hundred sixteen million, eighteen thousand, eighty-six".