664514415466 has 32 divisors (see below), whose sum is σ = 1127122039296. Its totient is φ = 291095424000.

The previous prime is 664514415427. The next prime is 664514415517.

664514415466 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, 1857135 + ... + 2185858.

It is an arithmetic number, because the mean of its divisors is an integer number (35222563728).

Almost surely, 2^664514415466 is an apocalyptic number.

664514415466 is a deficient number, since it is larger than the sum of its proper divisors (462607623830).

664514415466 is a wasteful number, since it uses less digits than its factorization.

664514415466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043278.

The product of its digits is 8294400, while the sum is 52.

The spelling of 664514415466 in words is "six hundred sixty-four billion, five hundred fourteen million, four hundred fifteen thousand, four hundred sixty-six".