6612236816329 has 3 divisors (see below), whose sum is σ = 6612239387757. Its totient is φ = 6612234244902.

The previous prime is 6612236816309. The next prime is 6612236816369. The reversal of 6612236816329 is 9236186322166.

The square root of 6612236816329 is 2571427.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6612236816329 - 2⁷ = 6612236816201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6612236816329.

It is not an unprimeable number, because it can be changed into a prime (6612236816309) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1285714 + ... + 3857140.

It is an arithmetic number, because the mean of its divisors is an integer number (2204079795919).

Almost surely, 2^{6612236816329} is an apocalyptic number.

6612236816329 is the 2571427-th square number.

6612236816329 is the 1285714-th centered octagonal number.

It is an amenable number.

6612236816329 is a deficient number, since it is larger than the sum of its proper divisors (2571428).

6612236816329 is an frugal number, since it uses more digits than its factorization.

6612236816329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142854 (or 2571427 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 6612236816329 in words is "six trillion, six hundred twelve billion, two hundred thirty-six million, eight hundred sixteen thousand, three hundred twenty-nine".