166865350 has 12 divisors (see below), whose sum is σ = 310369644. Its totient is φ = 66746120.

The previous prime is 166865329. The next prime is 166865351. The reversal of 166865350 is 53568661.

166865350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166865351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668604 + ... + 1668703.

It is an arithmetic number, because the mean of its divisors is an integer number (25864137).

Almost surely, 2^166865350 is an apocalyptic number.

166865350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166865350 is a deficient number, since it is larger than the sum of its proper divisors (143504294).

166865350 is a wasteful number, since it uses less digits than its factorization.

166865350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337319 (or 3337314 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 166865350 is about 12917.6371678415. The cubic root of 166865350 is about 550.5398006148.

The spelling of 166865350 in words is "one hundred sixty-six million, eight hundred sixty-five thousand, three hundred fifty".