216760682 has 4 divisors (see below), whose sum is σ = 325141026. Its totient is φ = 108380340.

The previous prime is 216760681. The next prime is 216760699. The reversal of 216760682 is 286067612.

It is a happy number.

216760682 is digitally balanced in base 2, 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., 142301041 + 74459641 = 11929^2 + 8629^2 .

It is a super-2 number, since 2×216760682² = 93970386522210248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216760681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54190169 + ... + 54190172.

Almost surely, 2^216760682 is an apocalyptic number.

216760682 is a deficient number, since it is larger than the sum of its proper divisors (108380344).

216760682 is a wasteful number, since it uses less digits than its factorization.

216760682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108380343.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 216760682 is about 14722.7946396056. The cubic root of 216760682 is about 600.7035099856.

The spelling of 216760682 in words is "two hundred sixteen million, seven hundred sixty thousand, six hundred eighty-two".