108663194 has 8 divisors (see below), whose sum is σ = 164184948. Its totient is φ = 53934880.

The previous prime is 108663151. The next prime is 108663199. The reversal of 108663194 is 491366801.

It can be written as a sum of positive squares in 2 ways, for example, as 108472225 + 190969 = 10415^2 + 437^2 .

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

It is not an unprimeable number, because it can be changed into a prime (108663199) 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, 198017 + ... + 198564.

Almost surely, 2^108663194 is an apocalyptic number.

108663194 is a deficient number, since it is larger than the sum of its proper divisors (55521754).

108663194 is a wasteful number, since it uses less digits than its factorization.

108663194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396720.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 108663194 is about 10424.1639472909. The cubic root of 108663194 is about 477.1931001237.

The spelling of 108663194 in words is "one hundred eight million, six hundred sixty-three thousand, one hundred ninety-four".