16486318368 has 192 divisors, whose sum is σ = 52136784000. Its totient is φ = 5038156800.

The previous prime is 16486318367. The next prime is 16486318397. The reversal of 16486318368 is 86381368461.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16486318363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668643 + ... + 1678493.

It is an arithmetic number, because the mean of its divisors is an integer number (271545750).

Almost surely, 2^16486318368 is an apocalyptic number.

16486318368 is a gapful number since it is divisible by the number (18) 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 16486318368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26068392000).

16486318368 is an abundant number, since it is smaller than the sum of its proper divisors (35650465632).

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

16486318368 is a wasteful number, since it uses less digits than its factorization.

16486318368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032 (or 10018 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 16486318368 in words is "sixteen billion, four hundred eighty-six million, three hundred eighteen thousand, three hundred sixty-eight".