100665272 has 8 divisors (see below), whose sum is σ = 188747400. Its totient is φ = 50332632.

The previous prime is 100665239. The next prime is 100665281. The reversal of 100665272 is 272566001.

It is a tau number, because it is divible by the number of its divisors (8).

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, 6291572 + ... + 6291587.

It is an arithmetic number, because the mean of its divisors is an integer number (23593425).

Almost surely, 2^100665272 is an apocalyptic number.

It is an amenable number.

100665272 is a deficient number, since it is larger than the sum of its proper divisors (88082128).

100665272 is a wasteful number, since it uses less digits than its factorization.

100665272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12583165 (or 12583161 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 100665272 is about 10033.2084599095. The cubic root of 100665272 is about 465.1859155601.

The spelling of 100665272 in words is "one hundred million, six hundred sixty-five thousand, two hundred seventy-two".