664463661030253 has 8 divisors (see below), whose sum is σ = 759441240635840. Its totient is φ = 569499631289280.

The previous prime is 664463661030241. The next prime is 664463661030319. The reversal of 664463661030253 is 352030166364466.

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

It is a cyclic number.

It is not a de Polignac number, because 664463661030253 - 2²⁵ = 664463627475821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 664463661030194 and 664463661030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664463661030223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387361068 + ... + 3387557221.

It is an arithmetic number, because the mean of its divisors is an integer number (94930155079480).

Almost surely, 2^{664463661030253} is an apocalyptic number.

It is an amenable number.

664463661030253 is a deficient number, since it is larger than the sum of its proper divisors (94977579605587).

664463661030253 is a wasteful number, since it uses less digits than its factorization.

664463661030253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774932307.

The product of its (nonzero) digits is 33592320, while the sum is 55.

The spelling of 664463661030253 in words is "six hundred sixty-four trillion, four hundred sixty-three billion, six hundred sixty-one million, thirty thousand, two hundred fifty-three".