16658615842 has 32 divisors (see below), whose sum is σ = 27530616960. Its totient is φ = 7496910720.

The previous prime is 16658615803. The next prime is 16658615849. The reversal of 16658615842 is 24851685661.

16658615842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16658615842.

It is not an unprimeable number, because it can be changed into a prime (16658615849) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5736963 + ... + 5739865.

It is an arithmetic number, because the mean of its divisors is an integer number (860331780).

Almost surely, 2^16658615842 is an apocalyptic number.

16658615842 is a deficient number, since it is larger than the sum of its proper divisors (10872001118).

16658615842 is a wasteful number, since it uses less digits than its factorization.

16658615842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418.

The product of its digits is 2764800, while the sum is 52.

The spelling of 16658615842 in words is "sixteen billion, six hundred fifty-eight million, six hundred fifteen thousand, eight hundred forty-two".