343540720616 has 24 divisors (see below), whose sum is σ = 646516187010. Its totient is φ = 171136504800.

The previous prime is 343540720613. The next prime is 343540720631. The reversal of 343540720616 is 616027045343.

It can be written as a sum of positive squares in only one way, i.e., 328037980516 + 15502740100 = 572746^2 + 124510^2 .

It is not an unprimeable number, because it can be changed into a prime (343540720613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27585191 + ... + 27597641.

Almost surely, 2^343540720616 is an apocalyptic number.

It is an amenable number.

343540720616 is a deficient number, since it is larger than the sum of its proper divisors (302975466394).

343540720616 is an frugal number, since it uses more digits than its factorization.

343540720616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25185 (or 12730 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 343540720616 its reverse (616027045343), we get a palindrome (959567765959).

The spelling of 343540720616 in words is "three hundred forty-three billion, five hundred forty million, seven hundred twenty thousand, six hundred sixteen".