105909673666 has 16 divisors (see below), whose sum is σ = 166436778240. Its totient is φ = 50481739440.

The previous prime is 105909673657. The next prime is 105909673673. The reversal of 105909673666 is 666376909501.

It is a super-2 number, since 2×105909673666² (a number of 23 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 105909673666.

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, 12743761 + ... + 12752068.

It is an arithmetic number, because the mean of its divisors is an integer number (10402298640).

Almost surely, 2^105909673666 is an apocalyptic number.

105909673666 is a deficient number, since it is larger than the sum of its proper divisors (60527104574).

105909673666 is a wasteful number, since it uses less digits than its factorization.

105909673666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25495929.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 105909673666 in words is "one hundred five billion, nine hundred nine million, six hundred seventy-three thousand, six hundred sixty-six".