223616164 has 12 divisors (see below), whose sum is σ = 414347724. Its totient is φ = 105231104.

The previous prime is 223616131. The next prime is 223616171. The reversal of 223616164 is 461616322.

It can be written as a sum of positive squares in 2 ways, for example, as 69856164 + 153760000 = 8358^2 + 12400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644169 + ... + 1644304.

It is an arithmetic number, because the mean of its divisors is an integer number (34528977).

Almost surely, 2^223616164 is an apocalyptic number.

It is an amenable number.

223616164 is a deficient number, since it is larger than the sum of its proper divisors (190731560).

223616164 is a wasteful number, since it uses less digits than its factorization.

223616164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288494 (or 3288492 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 223616164 is about 14953.8009883775. The cubic root of 223616164 is about 606.9707055226.

The spelling of 223616164 in words is "two hundred twenty-three million, six hundred sixteen thousand, one hundred sixty-four".