223061616 has 120 divisors (see below), whose sum is σ = 651815424. Its totient is φ = 71130240.

The previous prime is 223061611. The next prime is 223061617. The reversal of 223061616 is 616160322.

223061616 is a `hidden beast` number, since 2 + 2 + 30 + 616 + 16 = 666.

223061616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 223061616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223061611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477415 + ... + 477881.

Almost surely, 2^223061616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223061616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325907712).

223061616 is an abundant number, since it is smaller than the sum of its proper divisors (428753808).

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

223061616 is a wasteful number, since it uses less digits than its factorization.

223061616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 223061616 is about 14935.2474368522. The cubic root of 223061616 is about 606.4685459142.

The spelling of 223061616 in words is "two hundred twenty-three million, sixty-one thousand, six hundred sixteen".