664610484133 has 4 divisors (see below), whose sum is σ = 666747495648. Its totient is φ = 662473472620.

The previous prime is 664610484107. The next prime is 664610484151. The reversal of 664610484133 is 331484016466.

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 664610484133 - 2⁵ = 664610484101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664610484833) 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, 1068505291 + ... + 1068505912.

It is an arithmetic number, because the mean of its divisors is an integer number (166686873912).

Almost surely, 2^664610484133 is an apocalyptic number.

It is an amenable number.

664610484133 is a deficient number, since it is larger than the sum of its proper divisors (2137011515).

664610484133 is a wasteful number, since it uses less digits than its factorization.

664610484133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137011514.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 664610484133 in words is "six hundred sixty-four billion, six hundred ten million, four hundred eighty-four thousand, one hundred thirty-three".