166315650 has 24 divisors (see below), whose sum is σ = 412463184. Its totient is φ = 44350800.

The previous prime is 166315577. The next prime is 166315661. The reversal of 166315650 is 56513661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554236 + ... + 554535.

It is an arithmetic number, because the mean of its divisors is an integer number (17185966).

Almost surely, 2^166315650 is an apocalyptic number.

166315650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166315650 is an abundant number, since it is smaller than the sum of its proper divisors (246147534).

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

166315650 is a wasteful number, since it uses less digits than its factorization.

166315650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108786 (or 1108781 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 166315650 is about 12896.3425047569. The cubic root of 166315650 is about 549.9345927729.

The spelling of 166315650 in words is "one hundred sixty-six million, three hundred fifteen thousand, six hundred fifty".