68966144166986 has 16 divisors (see below), whose sum is σ = 112893525957888. Its totient is φ = 31337181931200.

The previous prime is 68966144166893. The next prime is 68966144167007.

68966144166986 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68966144166986² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68966144166986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553207130 + ... + 553331781.

It is an arithmetic number, because the mean of its divisors is an integer number (7055845372368).

Almost surely, 2^{68966144166986} is an apocalyptic number.

68966144166986 is a deficient number, since it is larger than the sum of its proper divisors (43927381790902).

68966144166986 is a wasteful number, since it uses less digits than its factorization.

68966144166986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106541757.

The product of its digits is 3869835264, while the sum is 80.

The spelling of 68966144166986 in words is "sixty-eight trillion, nine hundred sixty-six billion, one hundred forty-four million, one hundred sixty-six thousand, nine hundred eighty-six".