106685553474866 has 4 divisors (see below), whose sum is σ = 160028330212302. Its totient is φ = 53342776737432.

The previous prime is 106685553474817. The next prime is 106685553474917. The reversal of 106685553474866 is 668474355586601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63165474324241 + 43520079150625 = 7947671^2 + 6596975^2 .

It is a super-2 number, since 2×106685553474866² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106685553474793 and 106685553474802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26671388368715 + ... + 26671388368718.

Almost surely, 2^{106685553474866} is an apocalyptic number.

106685553474866 is a deficient number, since it is larger than the sum of its proper divisors (53342776737436).

106685553474866 is an equidigital number, since it uses as much as digits as its factorization.

106685553474866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53342776737435.

The product of its (nonzero) digits is 3483648000, while the sum is 74.

The spelling of 106685553474866 in words is "one hundred six trillion, six hundred eighty-five billion, five hundred fifty-three million, four hundred seventy-four thousand, eight hundred sixty-six".