226166616 has 72 divisors (see below), whose sum is σ = 663312780. Its totient is φ = 69585984.

The previous prime is 226166609. The next prime is 226166663. The reversal of 226166616 is 616661622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2875 + ... + 21461.

Almost surely, 2^226166616 is an apocalyptic number.

226166616 is a gapful number since it is divisible by the number (26) 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 226166616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331656390).

226166616 is an abundant number, since it is smaller than the sum of its proper divisors (437146164).

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

226166616 is a wasteful number, since it uses less digits than its factorization.

226166616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18625 (or 18605 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 226166616 is about 15038.8369231134. The cubic root of 226166616 is about 609.2695870995.

The spelling of 226166616 in words is "two hundred twenty-six million, one hundred sixty-six thousand, six hundred sixteen".