104661166 has 4 divisors (see below), whose sum is σ = 156991752. Its totient is φ = 52330582.

The previous prime is 104661143. The next prime is 104661187. The reversal of 104661166 is 661166401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661166401 = 7 ⋅94452343.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 26165290 + ... + 26165293.

It is an arithmetic number, because the mean of its divisors is an integer number (39247938).

Almost surely, 2^104661166 is an apocalyptic number.

104661166 is a deficient number, since it is larger than the sum of its proper divisors (52330586).

104661166 is an equidigital number, since it uses as much as digits as its factorization.

104661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52330585.

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

The square root of 104661166 is about 10230.4039998428. The cubic root of 104661166 is about 471.2613860711.

The spelling of 104661166 in words is "one hundred four million, six hundred sixty-one thousand, one hundred sixty-six".