616573866343 has 2 divisors, whose sum is σ = 616573866344. Its totient is φ = 616573866342.

The previous prime is 616573866323. The next prime is 616573866353. The reversal of 616573866343 is 343668375616.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616573866343 - 2²⁵ = 616540311911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616573866323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308286933171 + 308286933172.

It is an arithmetic number, because the mean of its divisors is an integer number (308286933172).

Almost surely, 2^616573866343 is an apocalyptic number.

616573866343 is a deficient number, since it is larger than the sum of its proper divisors (1).

616573866343 is an equidigital number, since it uses as much as digits as its factorization.

616573866343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 58.

The spelling of 616573866343 in words is "six hundred sixteen billion, five hundred seventy-three million, eight hundred sixty-six thousand, three hundred forty-three".