616322340431351 has 4 divisors (see below), whose sum is σ = 616398816719400. Its totient is φ = 616245864143304.

The previous prime is 616322340431323. The next prime is 616322340431389. The reversal of 616322340431351 is 153134043223616.

It is a happy number.

616322340431351 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616322340431351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616322340430351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38238131936 + ... + 38238148053.

It is an arithmetic number, because the mean of its divisors is an integer number (154099704179850).

Almost surely, 2^{616322340431351} is an apocalyptic number.

616322340431351 is a deficient number, since it is larger than the sum of its proper divisors (76476288049).

616322340431351 is an equidigital number, since it uses as much as digits as its factorization.

616322340431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76476288048.

The product of its (nonzero) digits is 933120, while the sum is 44.

Adding to 616322340431351 its reverse (153134043223616), we get a palindrome (769456383654967).

The spelling of 616322340431351 in words is "six hundred sixteen trillion, three hundred twenty-two billion, three hundred forty million, four hundred thirty-one thousand, three hundred fifty-one".