1068537690056 has 16 divisors (see below), whose sum is σ = 2009183834700. Its totient is φ = 532755334144.

The previous prime is 1068537690049. The next prime is 1068537690061. The reversal of 1068537690056 is 6500967358601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1068225602500 + 312087556 = 1033550^2 + 17666^2 .

It is a super-2 number, since 2×1068537690056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068537689983 and 1068537690010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189185861 + ... + 189191508.

Almost surely, 2^{1068537690056} is an apocalyptic number.

It is an amenable number.

1068537690056 is a deficient number, since it is larger than the sum of its proper divisors (940646144644).

1068537690056 is a wasteful number, since it uses less digits than its factorization.

1068537690056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378377728 (or 378377724 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 1068537690056 in words is "one trillion, sixty-eight billion, five hundred thirty-seven million, six hundred ninety thousand, fifty-six".