16548814536 has 64 divisors (see below), whose sum is σ = 42428020800. Its totient is φ = 5376043008.

The previous prime is 16548814517. The next prime is 16548814559. The reversal of 16548814536 is 63541884561.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454080 + ... + 489168.

It is an arithmetic number, because the mean of its divisors is an integer number (662937825).

Almost surely, 2^16548814536 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 16548814536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21214010400).

16548814536 is an abundant number, since it is smaller than the sum of its proper divisors (25879206264).

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

16548814536 is a wasteful number, since it uses less digits than its factorization.

16548814536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35598 (or 35594 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The spelling of 16548814536 in words is "sixteen billion, five hundred forty-eight million, eight hundred fourteen thousand, five hundred thirty-six".