100255665 has 8 divisors (see below), whose sum is σ = 160409088. Its totient is φ = 53469680.

The previous prime is 100255657. The next prime is 100255667. The reversal of 100255665 is 566552001.

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

It is not a de Polignac number, because 100255665 - 2³ = 100255657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100255667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341841 + ... + 3341870.

It is an arithmetic number, because the mean of its divisors is an integer number (20051136).

Almost surely, 2^100255665 is an apocalyptic number.

100255665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100255665 is a deficient number, since it is larger than the sum of its proper divisors (60153423).

100255665 is an equidigital number, since it uses as much as digits as its factorization.

100255665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683719.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 100255665 is about 10012.7750898540. The cubic root of 100255665 is about 464.5541106695.

The spelling of 100255665 in words is "one hundred million, two hundred fifty-five thousand, six hundred sixty-five".