216488204 has 24 divisors (see below), whose sum is σ = 407285760. Its totient is φ = 100363536.

The previous prime is 216488197. The next prime is 216488249. The reversal of 216488204 is 402884612.

216488204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216488204² = 93734284942291232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26732 + ... + 33875.

It is an arithmetic number, because the mean of its divisors is an integer number (16970240).

Almost surely, 2^216488204 is an apocalyptic number.

It is an amenable number.

216488204 is a deficient number, since it is larger than the sum of its proper divisors (190797556).

216488204 is a wasteful number, since it uses less digits than its factorization.

216488204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60677 (or 60675 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 216488204 is about 14713.5381197046. The cubic root of 216488204 is about 600.4517005997.

The spelling of 216488204 in words is "two hundred sixteen million, four hundred eighty-eight thousand, two hundred four".