1666106006692 has 24 divisors (see below), whose sum is σ = 2938984372800. Its totient is φ = 826410397920.

The previous prime is 1666106006671. The next prime is 1666106006693. The reversal of 1666106006692 is 2966006016661.

It is not an unprimeable number, because it can be changed into a prime (1666106006693) 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 7 ways as a sum of consecutive naturals, for example, 1306984 + ... + 2245087.

It is an arithmetic number, because the mean of its divisors is an integer number (122457682200).

Almost surely, 2^{1666106006692} is an apocalyptic number.

It is an amenable number.

1666106006692 is a deficient number, since it is larger than the sum of its proper divisors (1272878366108).

1666106006692 is a wasteful number, since it uses less digits than its factorization.

1666106006692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553011 (or 3553009 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 1666106006692 in words is "one trillion, six hundred sixty-six billion, one hundred six million, six thousand, six hundred ninety-two".