664100035 has 4 divisors (see below), whose sum is σ = 796920048. Its totient is φ = 531280024.

The previous prime is 664100033. The next prime is 664100039. The reversal of 664100035 is 530001466.

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 664100035 - 2¹ = 664100033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 664099982 and 664100009.

It is not an unprimeable number, because it can be changed into a prime (664100033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66409999 + ... + 66410008.

It is an arithmetic number, because the mean of its divisors is an integer number (199230012).

Almost surely, 2^664100035 is an apocalyptic number.

664100035 is a deficient number, since it is larger than the sum of its proper divisors (132820013).

664100035 is a wasteful number, since it uses less digits than its factorization.

664100035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132820012.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 664100035 is about 25770.1384357942. The cubic root of 664100035 is about 872.4579433099.

The spelling of 664100035 in words is "six hundred sixty-four million, one hundred thousand, thirty-five".