216704602 has 4 divisors (see below), whose sum is σ = 325056906. Its totient is φ = 108352300.

The previous prime is 216704533. The next prime is 216704641. The reversal of 216704602 is 206407612.

216704602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213715161 + 2989441 = 14619^2 + 1729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54176149 + ... + 54176152.

Almost surely, 2^216704602 is an apocalyptic number.

216704602 is a deficient number, since it is larger than the sum of its proper divisors (108352304).

216704602 is a wasteful number, since it uses less digits than its factorization.

216704602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108352303.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 216704602 is about 14720.8899866822. The cubic root of 216704602 is about 600.6517011457.

The spelling of 216704602 in words is "two hundred sixteen million, seven hundred four thousand, six hundred two".