1066969576386 has 1152 divisors, whose sum is σ = 3351495813120. Its totient is φ = 251418359808.

The previous prime is 1066969576339. The next prime is 1066969576429. The reversal of 1066969576386 is 6836759696601.

It is a happy number.

1066969576386 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 96 + 95 + 76 + 386 = 666.

It is a super-2 number, since 2×1066969576386² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 6545825541 + ... + 6545825703.

It is an arithmetic number, because the mean of its divisors is an integer number (2909284560).

Almost surely, 2^{1066969576386} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066969576386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675747906560).

1066969576386 is an abundant number, since it is smaller than the sum of its proper divisors (2284526236734).

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

1066969576386 is a wasteful number, since it uses less digits than its factorization.

1066969576386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 1066969576386 in words is "one trillion, sixty-six billion, nine hundred sixty-nine million, five hundred seventy-six thousand, three hundred eighty-six".