166505192048 has 40 divisors (see below), whose sum is σ = 362524692768. Its totient is φ = 73507306752.

The previous prime is 166505191999. The next prime is 166505192053. The reversal of 166505192048 is 840291505661.

166505192048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166505191993 and 166505192011.

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, 17397515 + ... + 17407082.

Almost surely, 2^166505192048 is an apocalyptic number.

It is an amenable number.

166505192048 is an abundant number, since it is smaller than the sum of its proper divisors (196019500720).

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

166505192048 is a wasteful number, since it uses less digits than its factorization.

166505192048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34804641 (or 34804635 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 166505192048 in words is "one hundred sixty-six billion, five hundred five million, one hundred ninety-two thousand, forty-eight".