664662343460210 has 32 divisors (see below), whose sum is σ = 1196540385768000. Its totient is φ = 265832012738880.

The previous prime is 664662343460179. The next prime is 664662343460281. The reversal of 664662343460210 is 12064343266466.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5506259336 + ... + 5506380044.

It is an arithmetic number, because the mean of its divisors is an integer number (37391887055250).

Almost surely, 2^{664662343460210} is an apocalyptic number.

664662343460210 is a deficient number, since it is larger than the sum of its proper divisors (531878042307790).

664662343460210 is a wasteful number, since it uses less digits than its factorization.

664662343460210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184346.

The product of its (nonzero) digits is 17915904, while the sum is 53.

The spelling of 664662343460210 in words is "six hundred sixty-four trillion, six hundred sixty-two billion, three hundred forty-three million, four hundred sixty thousand, two hundred ten".