166303242 has 48 divisors (see below), whose sum is σ = 413075520. Its totient is φ = 47367936.

The previous prime is 166303223. The next prime is 166303243. The reversal of 166303242 is 242303661.

166303242 is a `hidden beast` number, since 1 + 6 + 630 + 3 + 24 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (166303243) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42609 + ... + 46347.

It is an arithmetic number, because the mean of its divisors is an integer number (8605740).

Almost surely, 2^166303242 is an apocalyptic number.

166303242 is an abundant number, since it is smaller than the sum of its proper divisors (246772278).

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

166303242 is a wasteful number, since it uses less digits than its factorization.

166303242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 166303242 is about 12895.8614291563. The cubic root of 166303242 is about 549.9209164530.

The spelling of 166303242 in words is "one hundred sixty-six million, three hundred three thousand, two hundred forty-two".