19982567016 has 96 divisors (see below), whose sum is σ = 55923179520. Its totient is φ = 6439305600.

The previous prime is 19982567009. The next prime is 19982567039. The reversal of 19982567016 is 61076528991.

It is a super-2 number, since 2×19982567016² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2435481 + ... + 2443671.

It is an arithmetic number, because the mean of its divisors is an integer number (582533120).

Almost surely, 2^19982567016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19982567016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27961589760).

19982567016 is an abundant number, since it is smaller than the sum of its proper divisors (35940612504).

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

19982567016 is a wasteful number, since it uses less digits than its factorization.

19982567016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327 (or 9320 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 19982567016 in words is "nineteen billion, nine hundred eighty-two million, five hundred sixty-seven thousand, sixteen".