100668395 has 4 divisors (see below), whose sum is σ = 120802080. Its totient is φ = 80534712.

The previous prime is 100668383. The next prime is 100668427. The reversal of 100668395 is 593866001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100668395 - 2⁶ = 100668331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10066835 + ... + 10066844.

It is an arithmetic number, because the mean of its divisors is an integer number (30200520).

Almost surely, 2^100668395 is an apocalyptic number.

100668395 is a deficient number, since it is larger than the sum of its proper divisors (20133685).

100668395 is an equidigital number, since it uses as much as digits as its factorization.

100668395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20133684.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 100668395 is about 10033.3640918687. The cubic root of 100668395 is about 465.1907260923.

The spelling of 100668395 in words is "one hundred million, six hundred sixty-eight thousand, three hundred ninety-five".