216736683367 has 2 divisors, whose sum is σ = 216736683368. Its totient is φ = 216736683366.

The previous prime is 216736683323. The next prime is 216736683379. The reversal of 216736683367 is 763386637612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216736683367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216736686367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108368341683 + 108368341684.

It is an arithmetic number, because the mean of its divisors is an integer number (108368341684).

Almost surely, 2^216736683367 is an apocalyptic number.

216736683367 is a deficient number, since it is larger than the sum of its proper divisors (1).

216736683367 is an equidigital number, since it uses as much as digits as its factorization.

216736683367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 58.

The spelling of 216736683367 in words is "two hundred sixteen billion, seven hundred thirty-six million, six hundred eighty-three thousand, three hundred sixty-seven".