664753357466 has 16 divisors (see below), whose sum is σ = 1145029707360. Its totient is φ = 286257426480.

The previous prime is 664753357453. The next prime is 664753357531.

664753357466 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 664753357399 and 664753357408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795159101 + ... + 795159936.

It is an arithmetic number, because the mean of its divisors is an integer number (71564356710).

Almost surely, 2^664753357466 is an apocalyptic number.

664753357466 is a deficient number, since it is larger than the sum of its proper divisors (480276349894).

664753357466 is a wasteful number, since it uses less digits than its factorization.

664753357466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590319069.

The product of its digits is 228614400, while the sum is 62.

The spelling of 664753357466 in words is "six hundred sixty-four billion, seven hundred fifty-three million, three hundred fifty-seven thousand, four hundred sixty-six".