16255716720 has 80 divisors (see below), whose sum is σ = 50415990432. Its totient is φ = 4332856320.

The previous prime is 16255716713. The next prime is 16255716733. The reversal of 16255716720 is 2761755261.

It is a happy number.

16255716720 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 (80).

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 15 ways as a sum of consecutive naturals, for example, 547374 + ... + 576306.

Almost surely, 2^16255716720 is an apocalyptic number.

16255716720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16255716720 is an abundant number, since it is smaller than the sum of its proper divisors (34160273712).

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

16255716720 is a wasteful number, since it uses less digits than its factorization.

16255716720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290 (or 31284 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 16255716720 in words is "sixteen billion, two hundred fifty-five million, seven hundred sixteen thousand, seven hundred twenty".