166827283427884 has 24 divisors (see below), whose sum is σ = 293553475327728. Its totient is φ = 82955219081280.

The previous prime is 166827283427869. The next prime is 166827283427923. The reversal of 166827283427884 is 488724382728661.

It is a self number, because there is not a number n which added to its sum of digits gives 166827283427884.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42777319 + ... + 46514014.

It is an arithmetic number, because the mean of its divisors is an integer number (12231394805322).

Almost surely, 2^{166827283427884} is an apocalyptic number.

It is an amenable number.

166827283427884 is a deficient number, since it is larger than the sum of its proper divisors (126726191899844).

166827283427884 is a wasteful number, since it uses less digits than its factorization.

166827283427884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89293905 (or 89293903 counting only the distinct ones).

The product of its digits is 2774532096, while the sum is 76.

The spelling of 166827283427884 in words is "one hundred sixty-six trillion, eight hundred twenty-seven billion, two hundred eighty-three million, four hundred twenty-seven thousand, eight hundred eighty-four".