216196 has 6 divisors (see below), whose sum is σ = 378350. Its totient is φ = 108096.

The previous prime is 216179. The next prime is 216211. The reversal of 216196 is 691612.

It can be written as a sum of positive squares in only one way, i.e., 215296 + 900 = 464^2 + 30^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 216196.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27021 + ... + 27028.

2²¹⁶¹⁹⁶ is an apocalyptic number.

It is an amenable number.

216196 is a deficient number, since it is larger than the sum of its proper divisors (162154).

216196 is a wasteful number, since it uses less digits than its factorization.

216196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54053 (or 54051 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 216196 is about 464.9688161587. The cubic root of 216196 is about 60.0181426617.

The spelling of 216196 in words is "two hundred sixteen thousand, one hundred ninety-six".