1466680856356 has 9 divisors (see below), whose sum is σ = 2566695737361. Its totient is φ = 733339217112.

The previous prime is 1466680856341. The next prime is 1466680856371. The reversal of 1466680856356 is 6536580866641.

The square root of 1466680856356 is 1211066.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1466680856341) and next prime (1466680856371).

It can be written as a sum of positive squares in only one way, i.e., 1042379740900 + 424301115456 = 1020970^2 + 651384^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2119366 + ... + 2724898.

Almost surely, 2^{1466680856356} is an apocalyptic number.

1466680856356 is the 1211066-th square number.

It is an amenable number.

1466680856356 is a deficient number, since it is larger than the sum of its proper divisors (1100014881005).

1466680856356 is an frugal number, since it uses more digits than its factorization.

1466680856356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211070 (or 605535 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 64.

Multiplying 1466680856356 by its sum of digits (64), we get a square (93867574806784 = 9688528²).

The spelling of 1466680856356 in words is "one trillion, four hundred sixty-six billion, six hundred eighty million, eight hundred fifty-six thousand, three hundred fifty-six".