166834450550 has 24 divisors (see below), whose sum is σ = 310550717232. Its totient is φ = 66682460000.

The previous prime is 166834450493. The next prime is 166834450591. The reversal of 166834450550 is 55054438661.

166834450550 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 = 166834450495 and 166834450504.

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 11 ways as a sum of consecutive naturals, for example, 1217306 + ... + 1347405.

It is an arithmetic number, because the mean of its divisors is an integer number (12939613218).

Almost surely, 2^166834450550 is an apocalyptic number.

166834450550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166834450550 is a deficient number, since it is larger than the sum of its proper divisors (143716266682).

166834450550 is a wasteful number, since it uses less digits than its factorization.

166834450550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566024 (or 2566019 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 166834450550 in words is "one hundred sixty-six billion, eight hundred thirty-four million, four hundred fifty thousand, five hundred fifty".