11666606066570 has 32 divisors (see below), whose sum is σ = 25846019595648. Its totient is φ = 3692288513088.

The previous prime is 11666606066567. The next prime is 11666606066597. The reversal of 11666606066570 is 7566060666611.

11666606066570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11666606066570² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 6410222204 + ... + 6410224023.

It is an arithmetic number, because the mean of its divisors is an integer number (807688112364).

Almost surely, 2^{11666606066570} is an apocalyptic number.

11666606066570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666606066570 is an abundant number, since it is smaller than the sum of its proper divisors (14179413529078).

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

11666606066570 is a wasteful number, since it uses less digits than its factorization.

11666606066570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820446254.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 11666606066570 in words is "eleven trillion, six hundred sixty-six billion, six hundred six million, sixty-six thousand, five hundred seventy".