108666904 has 32 divisors (see below), whose sum is σ = 219479040. Its totient is φ = 50292000.

The previous prime is 108666889. The next prime is 108666911. The reversal of 108666904 is 409666801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (6858720).

Almost surely, 2^108666904 is an apocalyptic number.

It is an amenable number.

108666904 is an abundant number, since it is smaller than the sum of its proper divisors (110812136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108666904 is a wasteful number, since it uses less digits than its factorization.

108666904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111 (or 19107 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 108666904 is about 10424.3418976931. The cubic root of 108666904 is about 477.1985308686.

The spelling of 108666904 in words is "one hundred eight million, six hundred sixty-six thousand, nine hundred four".