16227183616 has 176 divisors, whose sum is σ = 38694522880. Its totient is φ = 6655426560.

The previous prime is 16227183613. The next prime is 16227183617. The reversal of 16227183616 is 61638172261.

It is not an unprimeable number, because it can be changed into a prime (16227183613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22887070 + ... + 22887778.

Almost surely, 2^16227183616 is an apocalyptic number.

16227183616 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 16227183616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19347261440).

16227183616 is an abundant number, since it is smaller than the sum of its proper divisors (22467339264).

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

16227183616 is a wasteful number, since it uses less digits than its factorization.

16227183616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 852 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The spelling of 16227183616 in words is "sixteen billion, two hundred twenty-seven million, one hundred eighty-three thousand, six hundred sixteen".