16777322016 has 384 divisors, whose sum is σ = 57354780672. Its totient is φ = 4174848000.

The previous prime is 16777322011. The next prime is 16777322021. The reversal of 16777322016 is 61022377761.

It is an interprime number because it is at equal distance from previous prime (16777322011) and next prime (16777322021).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (16777322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11102701 + ... + 11104211.

It is an arithmetic number, because the mean of its divisors is an integer number (149361408).

Almost surely, 2^16777322016 is an apocalyptic number.

16777322016 is a gapful number since it is divisible by the number (16) 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 16777322016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28677390336).

16777322016 is an abundant number, since it is smaller than the sum of its proper divisors (40577458656).

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

16777322016 is a wasteful number, since it uses less digits than its factorization.

16777322016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

Adding to 16777322016 its reverse (61022377761), we get a palindrome (77799699777).

The spelling of 16777322016 in words is "sixteen billion, seven hundred seventy-seven million, three hundred twenty-two thousand, sixteen".