166633601366 has 16 divisors (see below), whose sum is σ = 258806048400. Its totient is φ = 80370177888.

The previous prime is 166633601341. The next prime is 166633601383. The reversal of 166633601366 is 663106336661.

166633601366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166633601366.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1250876 + ... + 1377663.

It is an arithmetic number, because the mean of its divisors is an integer number (16175378025).

Almost surely, 2^166633601366 is an apocalyptic number.

166633601366 is a deficient number, since it is larger than the sum of its proper divisors (92172447034).

166633601366 is a wasteful number, since it uses less digits than its factorization.

166633601366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629663.

The product of its (nonzero) digits is 1259712, while the sum is 47.

The spelling of 166633601366 in words is "one hundred sixty-six billion, six hundred thirty-three million, six hundred one thousand, three hundred sixty-six".