103680166 has 4 divisors (see below), whose sum is σ = 155520252. Its totient is φ = 51840082.

The previous prime is 103680139. The next prime is 103680209. The reversal of 103680166 is 661086301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661086301 = 5807 ⋅113843.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25920040 + ... + 25920043.

It is an arithmetic number, because the mean of its divisors is an integer number (38880063).

Almost surely, 2^103680166 is an apocalyptic number.

103680166 is a deficient number, since it is larger than the sum of its proper divisors (51840086).

103680166 is an equidigital number, since it uses as much as digits as its factorization.

103680166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51840085.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 103680166 is about 10182.3458004529. The cubic root of 103680166 is about 469.7843676608.

The spelling of 103680166 in words is "one hundred three million, six hundred eighty thousand, one hundred sixty-six".