216336097 has 4 divisors (see below), whose sum is σ = 218942640. Its totient is φ = 213729556.

The previous prime is 216336083. The next prime is 216336103. The reversal of 216336097 is 790633612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216336097 - 2¹⁹ = 215811809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216366097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303147 + ... + 1303312.

It is an arithmetic number, because the mean of its divisors is an integer number (54735660).

Almost surely, 2^216336097 is an apocalyptic number.

It is an amenable number.

216336097 is a deficient number, since it is larger than the sum of its proper divisors (2606543).

216336097 is an equidigital number, since it uses as much as digits as its factorization.

216336097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606542.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 216336097 is about 14708.3682643589. The cubic root of 216336097 is about 600.3110396553.

It can be divided in two parts, 21633 and 6097, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 216336097 in words is "two hundred sixteen million, three hundred thirty-six thousand, ninety-seven".