16291067776 has 64 divisors (see below), whose sum is σ = 33153080400. Its totient is φ = 7972024320.

The previous prime is 16291067759. The next prime is 16291067803. The reversal of 16291067776 is 67776019261.

16291067776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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 in 7 ways as a sum of consecutive naturals, for example, 1217410 + ... + 1230718.

Almost surely, 2^16291067776 is an apocalyptic number.

16291067776 is a gapful number since it is divisible by the number (16) 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 16291067776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16576540200).

16291067776 is an abundant number, since it is smaller than the sum of its proper divisors (16862012624).

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

16291067776 is a wasteful number, since it uses less digits than its factorization.

16291067776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13527 (or 13515 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 16291067776 in words is "sixteen billion, two hundred ninety-one million, sixty-seven thousand, seven hundred seventy-six".