1666055016010 has 32 divisors (see below), whose sum is σ = 3738887102592. Its totient is φ = 519289874880.

The previous prime is 1666055015981. The next prime is 1666055016011. The reversal of 1666055016010 is 106105506661.

It is not an unprimeable number, because it can be changed into a prime (1666055016011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081853137 + ... + 1081854676.

It is an arithmetic number, because the mean of its divisors is an integer number (116840221956).

Almost surely, 2^{1666055016010} is an apocalyptic number.

1666055016010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666055016010 is an abundant number, since it is smaller than the sum of its proper divisors (2072832086582).

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

1666055016010 is a wasteful number, since it uses less digits than its factorization.

1666055016010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163707838.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1666055016010 in words is "one trillion, six hundred sixty-six billion, fifty-five million, sixteen thousand, ten".