16672227616 has 72 divisors (see below), whose sum is σ = 37791475344. Its totient is φ = 7179373440.

The previous prime is 16672227599. The next prime is 16672227631. The reversal of 16672227616 is 61672227661.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61471 + ... + 192673.

It is an arithmetic number, because the mean of its divisors is an integer number (524881602).

Almost surely, 2^16672227616 is an apocalyptic number.

16672227616 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 16672227616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18895737672).

16672227616 is an abundant number, since it is smaller than the sum of its proper divisors (21119247728).

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

16672227616 is a wasteful number, since it uses less digits than its factorization.

16672227616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131262 (or 131235 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The spelling of 16672227616 in words is "sixteen billion, six hundred seventy-two million, two hundred twenty-seven thousand, six hundred sixteen".