1066661011006 has 32 divisors (see below), whose sum is σ = 1640170022400. Its totient is φ = 520106857920.

The previous prime is 1066661010953. The next prime is 1066661011019. The reversal of 1066661011006 is 6001101666601.

It is a super-2 number, since 2×1066661011006² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73968865 + ... + 73983283.

It is an arithmetic number, because the mean of its divisors is an integer number (51255313200).

Almost surely, 2^{1066661011006} is an apocalyptic number.

1066661011006 is a deficient number, since it is larger than the sum of its proper divisors (573509011394).

1066661011006 is a wasteful number, since it uses less digits than its factorization.

1066661011006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224.

The product of its (nonzero) digits is 7776, while the sum is 34.

Adding to 1066661011006 its reverse (6001101666601), we get a palindrome (7067762677607).

The spelling of 1066661011006 in words is "one trillion, sixty-six billion, six hundred sixty-one million, eleven thousand, six".