1216628068582 has 8 divisors (see below), whose sum is σ = 1824968048400. Its totient is φ = 608305385784.

The previous prime is 1216628068573. The next prime is 1216628068597. The reversal of 1216628068582 is 2858608266121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146957 + ... + 4430632.

It is an arithmetic number, because the mean of its divisors is an integer number (228121006050).

Almost surely, 2^{1216628068582} is an apocalyptic number.

1216628068582 is a deficient number, since it is larger than the sum of its proper divisors (608339979818).

1216628068582 is an equidigital number, since it uses as much as digits as its factorization.

1216628068582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648510.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 1216628068582 in words is "one trillion, two hundred sixteen billion, six hundred twenty-eight million, sixty-eight thousand, five hundred eighty-two".