664612246353 has 48 divisors (see below), whose sum is σ = 978427876608. Its totient is φ = 400980307200.

The previous prime is 664612246339. The next prime is 664612246393. The reversal of 664612246353 is 353642216466.

It is not a de Polignac number, because 664612246353 - 2⁵ = 664612246321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664612246303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148913800 + ... + 148918262.

It is an arithmetic number, because the mean of its divisors is an integer number (20383914096).

Almost surely, 2^664612246353 is an apocalyptic number.

It is an amenable number.

664612246353 is a deficient number, since it is larger than the sum of its proper divisors (313815630255).

664612246353 is a wasteful number, since it uses less digits than its factorization.

664612246353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246 (or 6235 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The spelling of 664612246353 in words is "six hundred sixty-four billion, six hundred twelve million, two hundred forty-six thousand, three hundred fifty-three".