1363560656656 has 45 divisors (see below), whose sum is σ = 2904014686503. Its totient is φ = 619776944160.

The previous prime is 1363560656617. The next prime is 1363560656659. The reversal of 1363560656656 is 6566560653631.

It is a happy number.

The square root of 1363560656656 is 1167716.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1363560656656.

It is not an unprimeable number, because it can be changed into a prime (1363560656659) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51366235 + ... + 51392773.

Almost surely, 2^{1363560656656} is an apocalyptic number.

1363560656656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1363560656656 is the 1167716-th square number.

It is an amenable number.

1363560656656 is an abundant number, since it is smaller than the sum of its proper divisors (1540454029847).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1363560656656 is an frugal number, since it uses more digits than its factorization.

1363560656656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53108 (or 26552 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 58.

The spelling of 1363560656656 in words is "one trillion, three hundred sixty-three billion, five hundred sixty million, six hundred fifty-six thousand, six hundred fifty-six".