11666606000655 has 32 divisors (see below), whose sum is σ = 19832992862400. Its totient is φ = 5856178661376.

The previous prime is 11666606000653. The next prime is 11666606000713. The reversal of 11666606000655 is 55600060666611.

It is not a de Polignac number, because 11666606000655 - 2¹ = 11666606000653 is a prime.

It is a super-2 number, since 2×11666606000655² (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 (11666606000653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79080970 + ... + 79228359.

It is an arithmetic number, because the mean of its divisors is an integer number (619781026950).

Almost surely, 2^{11666606000655} is an apocalyptic number.

11666606000655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11666606000655 is a deficient number, since it is larger than the sum of its proper divisors (8166386861745).

11666606000655 is an equidigital number, since it uses as much as digits as its factorization.

11666606000655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158309388 (or 158309354 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 11666606000655 in words is "eleven trillion, six hundred sixty-six billion, six hundred six million, six hundred fifty-five", and thus it is an aban number.