313664503656466 has 4 divisors (see below), whose sum is σ = 470496755484702. Its totient is φ = 156832251828232.

The previous prime is 313664503656457. The next prime is 313664503656473. The reversal of 313664503656466 is 664656305466313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213183506648025 + 100480997008441 = 14600805^2 + 10024021^2 .

It is a super-3 number, since 3×313664503656466³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313664503656398 and 313664503656407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78416125914115 + ... + 78416125914118.

Almost surely, 2^{313664503656466} is an apocalyptic number.

313664503656466 is a deficient number, since it is larger than the sum of its proper divisors (156832251828236).

313664503656466 is a wasteful number, since it uses less digits than its factorization.

313664503656466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156832251828235.

The product of its (nonzero) digits is 503884800, while the sum is 64.

The spelling of 313664503656466 in words is "three hundred thirteen trillion, six hundred sixty-four billion, five hundred three million, six hundred fifty-six thousand, four hundred sixty-six".