1566666050156 has 12 divisors (see below), whose sum is σ = 2744591598168. Its totient is φ = 782497022112.

The previous prime is 1566666050141. The next prime is 1566666050167. The reversal of 1566666050156 is 6510506666651.

It is a happy number.

It is a super-2 number, since 2×1566666050156² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1566666050098 and 1566666050107.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 208996526 + ... + 209004021.

It is an arithmetic number, because the mean of its divisors is an integer number (228715966514).

Almost surely, 2^{1566666050156} is an apocalyptic number.

It is an amenable number.

1566666050156 is a deficient number, since it is larger than the sum of its proper divisors (1177925548012).

1566666050156 is a wasteful number, since it uses less digits than its factorization.

1566666050156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418001488 (or 418001486 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 1566666050156 in words is "one trillion, five hundred sixty-six billion, six hundred sixty-six million, fifty thousand, one hundred fifty-six".