216340641302 has 4 divisors (see below), whose sum is σ = 324510961956. Its totient is φ = 108170320650.

The previous prime is 216340641281. The next prime is 216340641313. The reversal of 216340641302 is 203146043612.

216340641302 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 is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54085160324 + ... + 54085160327.

It is an arithmetic number, because the mean of its divisors is an integer number (81127740489).

Almost surely, 2^216340641302 is an apocalyptic number.

216340641302 is a deficient number, since it is larger than the sum of its proper divisors (108170320654).

216340641302 is a wasteful number, since it uses less digits than its factorization.

216340641302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108170320653.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 216340641302 its reverse (203146043612), we get a palindrome (419486684914).

The spelling of 216340641302 in words is "two hundred sixteen billion, three hundred forty million, six hundred forty-one thousand, three hundred two".