11666606066007 has 16 divisors (see below), whose sum is σ = 15687388143840. Its totient is φ = 7711913797632.

The previous prime is 11666606065981. The next prime is 11666606066117. The reversal of 11666606066007 is 70066060666611.

It is not a de Polignac number, because 11666606066007 - 2¹⁶ = 11666606000471 is a prime.

It is a super-2 number, since 2×11666606066007² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666606066707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16288282 + ... + 16989447.

It is an arithmetic number, because the mean of its divisors is an integer number (980461758990).

Almost surely, 2^{11666606066007} is an apocalyptic number.

11666606066007 is a deficient number, since it is larger than the sum of its proper divisors (4020782077833).

11666606066007 is a wasteful number, since it uses less digits than its factorization.

11666606066007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33278722.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 11666606066007 in words is "eleven trillion, six hundred sixty-six billion, six hundred six million, sixty-six thousand, seven".