16226578368 has 1120 divisors, whose sum is σ = 66916523520. Its totient is φ = 3752386560.

The previous prime is 16226578367. The next prime is 16226578369. The reversal of 16226578368 is 86387562261.

16226578368 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 6 + 578 + 3 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (16226578367) and next prime (16226578369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226578367) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 275026723 + ... + 275026781.

It is an arithmetic number, because the mean of its divisors is an integer number (59746896).

Almost surely, 2^16226578368 is an apocalyptic number.

16226578368 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 16226578368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33458261760).

16226578368 is an abundant number, since it is smaller than the sum of its proper divisors (50689945152).

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

16226578368 is a wasteful number, since it uses less digits than its factorization.

16226578368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 148 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 16226578368 in words is "sixteen billion, two hundred twenty-six million, five hundred seventy-eight thousand, three hundred sixty-eight".