16020261984 has 48 divisors (see below), whose sum is σ = 44526909168. Its totient is φ = 5025964032.

The previous prime is 16020261979. The next prime is 16020261989. The reversal of 16020261984 is 48916202061.

16020261984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16020261979) and next prime (16020261989).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020261989) by changing a digit.

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, 4906537 + ... + 4909800.

It is an arithmetic number, because the mean of its divisors is an integer number (927643941).

Almost surely, 2^16020261984 is an apocalyptic number.

It is an amenable number.

16020261984 is an abundant number, since it is smaller than the sum of its proper divisors (28506647184).

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

16020261984 is a wasteful number, since it uses less digits than its factorization.

16020261984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816367 (or 9816359 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 16020261984 in words is "sixteen billion, twenty million, two hundred sixty-one thousand, nine hundred eighty-four".