10668016806538 has 192 divisors, whose sum is σ = 20195869224960. Its totient is φ = 4137713798400.

The previous prime is 10668016806527. The next prime is 10668016806563. The reversal of 10668016806538 is 83560861086601.

It is a super-2 number, since 2×10668016806538² (a number of 27 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 10267580623 + ... + 10267581661.

It is an arithmetic number, because the mean of its divisors is an integer number (105186818880).

Almost surely, 2^{10668016806538} is an apocalyptic number.

10668016806538 is a deficient number, since it is larger than the sum of its proper divisors (9527852418422).

10668016806538 is a wasteful number, since it uses less digits than its factorization.

10668016806538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 10668016806538 in words is "ten trillion, six hundred sixty-eight billion, sixteen million, eight hundred six thousand, five hundred thirty-eight".