16009694064 has 800 divisors, whose sum is σ = 61302743040. Its totient is φ = 3919104000.

The previous prime is 16009694027. The next prime is 16009694131. The reversal of 16009694064 is 46049690061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 106024389 + ... + 106024539.

Almost surely, 2^16009694064 is an apocalyptic number.

16009694064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16009694064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30651371520).

16009694064 is an abundant number, since it is smaller than the sum of its proper divisors (45293048976).

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

16009694064 is a wasteful number, since it uses less digits than its factorization.

16009694064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 16009694064 in words is "sixteen billion, nine million, six hundred ninety-four thousand, sixty-four".