16679021842 has 32 divisors (see below), whose sum is σ = 28781862912. Its totient is φ = 7100994384.

The previous prime is 16679021833. The next prime is 16679021897. The reversal of 16679021842 is 24812097661.

It is a junction number, because it is equal to n+sod(n) for n = 16679021792 and 16679021801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345123 + ... + 1357465.

It is an arithmetic number, because the mean of its divisors is an integer number (899433216).

Almost surely, 2^16679021842 is an apocalyptic number.

16679021842 is a deficient number, since it is larger than the sum of its proper divisors (12102841070).

16679021842 is a wasteful number, since it uses less digits than its factorization.

16679021842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 16679021842 in words is "sixteen billion, six hundred seventy-nine million, twenty-one thousand, eight hundred forty-two".