166850018350 has 12 divisors (see below), whose sum is σ = 310341034224. Its totient is φ = 66740007320.

The previous prime is 166850018339. The next prime is 166850018407. The reversal of 166850018350 is 53810058661.

It is a junction number, because it is equal to n+sod(n) for n = 166850018297 and 166850018306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668500134 + ... + 1668500233.

It is an arithmetic number, because the mean of its divisors is an integer number (25861752852).

Almost surely, 2^166850018350 is an apocalyptic number.

166850018350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166850018350 is a deficient number, since it is larger than the sum of its proper divisors (143491015874).

166850018350 is a wasteful number, since it uses less digits than its factorization.

166850018350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337000379 (or 3337000374 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 166850018350 in words is "one hundred sixty-six billion, eight hundred fifty million, eighteen thousand, three hundred fifty".