664314646413466 has 8 divisors (see below), whose sum is σ = 996477351652800. Its totient is φ = 332155529195868.

The previous prime is 664314646413463. The next prime is 664314646413503.

664314646413466 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×664314646413466² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664314646413398 and 664314646413407.

It is not an unprimeable number, because it can be changed into a prime (664314646413463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896542516 + ... + 897283183.

It is an arithmetic number, because the mean of its divisors is an integer number (124559668956600).

Almost surely, 2^{664314646413466} is an apocalyptic number.

664314646413466 is a deficient number, since it is larger than the sum of its proper divisors (332162705239334).

664314646413466 is a wasteful number, since it uses less digits than its factorization.

664314646413466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794010868.

The product of its digits is 429981696, while the sum is 64.

The spelling of 664314646413466 in words is "six hundred sixty-four trillion, three hundred fourteen billion, six hundred forty-six million, four hundred thirteen thousand, four hundred sixty-six".