105101666 has 8 divisors (see below), whose sum is σ = 157725660. Its totient is φ = 52526448.

The previous prime is 105101641. The next prime is 105101669. The reversal of 105101666 is 666101501.

It can be written as a sum of positive squares in 2 ways, for example, as 104632441 + 469225 = 10229^2 + 685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105101666² = 22092720391951112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105101669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221 + ... + 15776.

Almost surely, 2^105101666 is an apocalyptic number.

105101666 is a deficient number, since it is larger than the sum of its proper divisors (52623994).

105101666 is a wasteful number, since it uses less digits than its factorization.

105101666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24388.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 105101666 is about 10251.9103585624. The cubic root of 105101666 is about 471.9216121140.

The spelling of 105101666 in words is "one hundred five million, one hundred one thousand, six hundred sixty-six".