1066219848726 has 16 divisors (see below), whose sum is σ = 2132508434544. Its totient is φ = 355395160064.

The previous prime is 1066219848719. The next prime is 1066219848787. The reversal of 1066219848726 is 6278489126601.

It is a happy number.

It is a super-2 number, since 2×1066219848726² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066219848726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2661291 + ... + 3035606.

It is an arithmetic number, because the mean of its divisors is an integer number (133281777159).

Almost surely, 2^{1066219848726} is an apocalyptic number.

1066219848726 is an abundant number, since it is smaller than the sum of its proper divisors (1066288585818).

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

1066219848726 is a wasteful number, since it uses less digits than its factorization.

1066219848726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728095.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 1066219848726 in words is "one trillion, sixty-six billion, two hundred nineteen million, eight hundred forty-eight thousand, seven hundred twenty-six".