100666204 has 12 divisors (see below), whose sum is σ = 176437800. Its totient is φ = 50255408.

The previous prime is 100666171. The next prime is 100666219. The reversal of 100666204 is 402666001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16459 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (14703150).

Almost surely, 2^100666204 is an apocalyptic number.

It is an amenable number.

100666204 is a deficient number, since it is larger than the sum of its proper divisors (75771596).

100666204 is a wasteful number, since it uses less digits than its factorization.

100666204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38852 (or 38850 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 100666204 is about 10033.2549055628. The cubic root of 100666204 is about 465.1873511824.

The spelling of 100666204 in words is "one hundred million, six hundred sixty-six thousand, two hundred four".