100382665 has 16 divisors (see below), whose sum is σ = 125426448. Its totient is φ = 77054976.

The previous prime is 100382657. The next prime is 100382669. The reversal of 100382665 is 566283001.

It can be written as a sum of positive squares in 8 ways, for example, as 622521 + 99760144 = 789^2 + 9988^2 .

It is a cyclic number.

It is not a de Polignac number, because 100382665 - 2³ = 100382657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100382669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9789 + ... + 17221.

It is an arithmetic number, because the mean of its divisors is an integer number (7839153).

Almost surely, 2^100382665 is an apocalyptic number.

It is an amenable number.

100382665 is a deficient number, since it is larger than the sum of its proper divisors (25043783).

100382665 is an equidigital number, since it uses as much as digits as its factorization.

100382665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 100382665 is about 10019.1149808753. The cubic root of 100382665 is about 464.7501876269.

The spelling of 100382665 in words is "one hundred million, three hundred eighty-two thousand, six hundred sixty-five".