664054450466 has 32 divisors (see below), whose sum is σ = 1151293253760. Its totient is φ = 283904992000.

The previous prime is 664054450459. The next prime is 664054450471.

664054450466 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13616 + ... + 1152516.

It is an arithmetic number, because the mean of its divisors is an integer number (35977914180).

Almost surely, 2^664054450466 is an apocalyptic number.

664054450466 is a deficient number, since it is larger than the sum of its proper divisors (487238803294).

664054450466 is a wasteful number, since it uses less digits than its factorization.

664054450466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140490.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 664054450466 in words is "six hundred sixty-four billion, fifty-four million, four hundred fifty thousand, four hundred sixty-six".