168070703866 has 16 divisors (see below), whose sum is σ = 271666385928. Its totient is φ = 77523220800.

The previous prime is 168070703851. The next prime is 168070703873. The reversal of 168070703866 is 668307070861.

It can be written as a sum of positive squares in 4 ways, for example, as 131540409225 + 36530294641 = 362685^2 + 191129^2 .

It is a super-2 number, since 2×168070703866² (a number of 23 digits) contains 22 as substring.

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, 1951765 + ... + 2036056.

Almost surely, 2^168070703866 is an apocalyptic number.

168070703866 is a deficient number, since it is larger than the sum of its proper divisors (103595682062).

168070703866 is a wasteful number, since it uses less digits than its factorization.

168070703866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989457.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 168070703866 in words is "one hundred sixty-eight billion, seventy million, seven hundred three thousand, eight hundred sixty-six".