1568665451106 has 48 divisors (see below), whose sum is σ = 3778290996480. Its totient is φ = 467096410080.

The previous prime is 1568665451047. The next prime is 1568665451149. The reversal of 1568665451106 is 6011545668651.

It is a happy number.

1568665451106 is a `hidden beast` number, since 1 + 5 + 6 + 86 + 6 + 5 + 451 + 106 = 666.

It is a super-2 number, since 2×1568665451106² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108116916 + ... + 108131423.

It is an arithmetic number, because the mean of its divisors is an integer number (78714395760).

Almost surely, 2^{1568665451106} is an apocalyptic number.

1568665451106 is an abundant number, since it is smaller than the sum of its proper divisors (2209625545374).

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

1568665451106 is a wasteful number, since it uses less digits than its factorization.

1568665451106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216248391 (or 216248388 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 1568665451106 in words is "one trillion, five hundred sixty-eight billion, six hundred sixty-five million, four hundred fifty-one thousand, one hundred six".