105868866 has 16 divisors (see below), whose sum is σ = 213681600. Its totient is φ = 34965648.

The previous prime is 105868853. The next prime is 105868897. The reversal of 105868866 is 668868501.

It is a happy number.

It is a super-2 number, since 2×105868866² = 22416433576251912, which contains 22 as substring.

It is a Curzon number.

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, 80286 + ... + 81593.

It is an arithmetic number, because the mean of its divisors is an integer number (13355100).

Almost surely, 2^105868866 is an apocalyptic number.

105868866 is an abundant number, since it is smaller than the sum of its proper divisors (107812734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105868866 is a wasteful number, since it uses less digits than its factorization.

105868866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161993.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 105868866 is about 10289.2597401368. The cubic root of 105868866 is about 473.0671088819.

The spelling of 105868866 in words is "one hundred five million, eight hundred sixty-eight thousand, eight hundred sixty-six".