3166666166776 has 128 divisors (see below), whose sum is σ = 6877804953600. Its totient is φ = 1338871628160.

The previous prime is 3166666166753. The next prime is 3166666166803. The reversal of 3166666166776 is 6776616666613.

It is a happy number.

It is a super-2 number, since 2×3166666166776² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1185571921 + ... + 1185574591.

It is an arithmetic number, because the mean of its divisors is an integer number (53732851200).

Almost surely, 2^{3166666166776} is an apocalyptic number.

It is an amenable number.

3166666166776 is an abundant number, since it is smaller than the sum of its proper divisors (3711138786824).

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

3166666166776 is a wasteful number, since it uses less digits than its factorization.

3166666166776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729 (or 3725 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 67.

The spelling of 3166666166776 in words is "three trillion, one hundred sixty-six billion, six hundred sixty-six million, one hundred sixty-six thousand, seven hundred seventy-six".