166028503198 has 8 divisors (see below), whose sum is σ = 249044484240. Its totient is φ = 83013675120.

The previous prime is 166028503127. The next prime is 166028503241. The reversal of 166028503198 is 891305820661.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 411738 + ... + 708226.

It is an arithmetic number, because the mean of its divisors is an integer number (31130560530).

Almost surely, 2^166028503198 is an apocalyptic number.

166028503198 is a deficient number, since it is larger than the sum of its proper divisors (83015981042).

166028503198 is a wasteful number, since it uses less digits than its factorization.

166028503198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576482.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 166028503198 in words is "one hundred sixty-six billion, twenty-eight million, five hundred three thousand, one hundred ninety-eight".