664711117466 has 8 divisors (see below), whose sum is σ = 1087709101344. Its totient is φ = 302141417020.

The previous prime is 664711117459. The next prime is 664711117481.

664711117466 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×664711117466² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15107070830 + ... + 15107070873.

It is an arithmetic number, because the mean of its divisors is an integer number (135963637668).

Almost surely, 2^664711117466 is an apocalyptic number.

664711117466 is a deficient number, since it is larger than the sum of its proper divisors (422997983878).

664711117466 is a wasteful number, since it uses less digits than its factorization.

664711117466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30214141716.

The product of its digits is 1016064, while the sum is 50.

The spelling of 664711117466 in words is "six hundred sixty-four billion, seven hundred eleven million, one hundred seventeen thousand, four hundred sixty-six".