16222647168 has 384 divisors, whose sum is σ = 59988852000. Its totient is φ = 4277919744.

The previous prime is 16222647167. The next prime is 16222647197. The reversal of 16222647168 is 86174622261.

16222647168 is a `hidden beast` number, since 1 + 622 + 2 + 6 + 4 + 7 + 16 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×16222647168² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222647167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2197788 + ... + 2205156.

Almost surely, 2^16222647168 is an apocalyptic number.

16222647168 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 16222647168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29994426000).

16222647168 is an abundant number, since it is smaller than the sum of its proper divisors (43766204832).

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

16222647168 is a wasteful number, since it uses less digits than its factorization.

16222647168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419 (or 7394 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 16222647168 in words is "sixteen billion, two hundred twenty-two million, six hundred forty-seven thousand, one hundred sixty-eight".