664415282514466 has 32 divisors (see below), whose sum is σ = 1151516876170752. Its totient is φ = 281623558855680.

The previous prime is 664415282514433. The next prime is 664415282514479.

664415282514466 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 664415282514398 and 664415282514407.

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, 163167786 + ... + 167190181.

It is an arithmetic number, because the mean of its divisors is an integer number (35984902380336).

Almost surely, 2^{664415282514466} is an apocalyptic number.

664415282514466 is a deficient number, since it is larger than the sum of its proper divisors (487101593656286).

664415282514466 is a wasteful number, since it uses less digits than its factorization.

664415282514466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330359554.

The product of its digits is 265420800, while the sum is 64.

The spelling of 664415282514466 in words is "six hundred sixty-four trillion, four hundred fifteen billion, two hundred eighty-two million, five hundred fourteen thousand, four hundred sixty-six".