1068681724646 has 8 divisors (see below), whose sum is σ = 1607563728504. Its totient is φ = 532827148480.

The previous prime is 1068681724631. The next prime is 1068681724673. The reversal of 1068681724646 is 6464271868601.

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

It is a super-2 number, since 2×1068681724646² (a number of 25 digits) contains 22 as substring.

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, 756856040 + ... + 756857451.

It is an arithmetic number, because the mean of its divisors is an integer number (200945466063).

Almost surely, 2^{1068681724646} is an apocalyptic number.

1068681724646 is a deficient number, since it is larger than the sum of its proper divisors (538882003858).

1068681724646 is a wasteful number, since it uses less digits than its factorization.

1068681724646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513713846.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 1068681724646 in words is "one trillion, sixty-eight billion, six hundred eighty-one million, seven hundred twenty-four thousand, six hundred forty-six".