100664673 has 4 divisors (see below), whose sum is σ = 134219568. Its totient is φ = 67109780.

The previous prime is 100664671. The next prime is 100664687. The reversal of 100664673 is 376466001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100664673 - 2¹ = 100664671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100664671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16777443 + ... + 16777448.

It is an arithmetic number, because the mean of its divisors is an integer number (33554892).

Almost surely, 2^100664673 is an apocalyptic number.

It is an amenable number.

100664673 is a deficient number, since it is larger than the sum of its proper divisors (33554895).

100664673 is an equidigital number, since it uses as much as digits as its factorization.

100664673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554894.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 100664673 is about 10033.1786089953. The cubic root of 100664673 is about 465.1849928754.

The spelling of 100664673 in words is "one hundred million, six hundred sixty-four thousand, six hundred seventy-three".