616144343 has 2 divisors, whose sum is σ = 616144344. Its totient is φ = 616144342.

The previous prime is 616144303. The next prime is 616144363. The reversal of 616144343 is 343441616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616144343 - 2¹² = 616140247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616144303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308072171 + 308072172.

It is an arithmetic number, because the mean of its divisors is an integer number (308072172).

Almost surely, 2^616144343 is an apocalyptic number.

616144343 is a deficient number, since it is larger than the sum of its proper divisors (1).

616144343 is an equidigital number, since it uses as much as digits as its factorization.

616144343 is an evil number, because the sum of its binary digits is even.

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

The square root of 616144343 is about 24822.2549942587. The cubic root of 616144343 is about 850.9306268627.

Adding to 616144343 its reverse (343441616), we get a palindrome (959585959).

The spelling of 616144343 in words is "six hundred sixteen million, one hundred forty-four thousand, three hundred forty-three".