103165666 has 16 divisors (see below), whose sum is σ = 159132600. Its totient is φ = 50139648.

The previous prime is 103165637. The next prime is 103165679. The reversal of 103165666 is 666561301.

It can be written as a sum of positive squares in 4 ways, for example, as 81812025 + 21353641 = 9045^2 + 4621^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7090 + ... + 16018.

Almost surely, 2^103165666 is an apocalyptic number.

103165666 is a deficient number, since it is larger than the sum of its proper divisors (55966934).

103165666 is a wasteful number, since it uses less digits than its factorization.

103165666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 103165666 is about 10157.0500638719. The cubic root of 103165666 is about 469.0059964409.

The spelling of 103165666 in words is "one hundred three million, one hundred sixty-five thousand, six hundred sixty-six".