105303666 has 16 divisors (see below), whose sum is σ = 226808064. Its totient is φ = 32401104.

The previous prime is 105303647. The next prime is 105303697. The reversal of 105303666 is 666303501.

It is a super-2 number, since 2×105303666² = 22177724146079112, 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, 674946 + ... + 675101.

It is an arithmetic number, because the mean of its divisors is an integer number (14175504).

Almost surely, 2^105303666 is an apocalyptic number.

105303666 is an abundant number, since it is smaller than the sum of its proper divisors (121504398).

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

105303666 is a wasteful number, since it uses less digits than its factorization.

105303666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350065.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 105303666 is about 10261.7574518208. The cubic root of 105303666 is about 472.2237549898.

It can be divided in two parts, 10530 and 3666, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 105303666 in words is "one hundred five million, three hundred three thousand, six hundred sixty-six".