105115866 has 16 divisors (see below), whose sum is σ = 221296800. Its totient is φ = 33194448.

The previous prime is 105115861. The next prime is 105115867. The reversal of 105115866 is 668511501.

It is a super-2 number, since 2×105115866² = 22098690569859912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105115861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460921 + ... + 461148.

It is an arithmetic number, because the mean of its divisors is an integer number (13831050).

Almost surely, 2^105115866 is an apocalyptic number.

105115866 is an abundant number, since it is smaller than the sum of its proper divisors (116180934).

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

105115866 is a wasteful number, since it uses less digits than its factorization.

105115866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922093.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 105115866 is about 10252.6028890229. The cubic root of 105115866 is about 471.9428645051.

The spelling of 105115866 in words is "one hundred five million, one hundred fifteen thousand, eight hundred sixty-six".