16679819064 has 32 divisors (see below), whose sum is σ = 41771851920. Its totient is φ = 5550299136.

The previous prime is 16679819063. The next prime is 16679819071. The reversal of 16679819064 is 46091897661.

It is a junction number, because it is equal to n+sod(n) for n = 16679818995 and 16679819013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679819063) 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, 588399 + ... + 616094.

Almost surely, 2^16679819064 is an apocalyptic number.

It is an amenable number.

16679819064 is an abundant number, since it is smaller than the sum of its proper divisors (25092032856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16679819064 is a wasteful number, since it uses less digits than its factorization.

16679819064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205079 (or 1205075 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 16679819064 in words is "sixteen billion, six hundred seventy-nine million, eight hundred nineteen thousand, sixty-four".