166147303 has 16 divisors (see below), whose sum is σ = 194826240. Its totient is φ = 138733056.

The previous prime is 166147301. The next prime is 166147391. The reversal of 166147303 is 303741661.

It is not a de Polignac number, because 166147303 - 2¹ = 166147301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166147301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77575 + ... + 79687.

It is an arithmetic number, because the mean of its divisors is an integer number (12176640).

Almost surely, 2^166147303 is an apocalyptic number.

166147303 is a deficient number, since it is larger than the sum of its proper divisors (28678937).

166147303 is a wasteful number, since it uses less digits than its factorization.

166147303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 166147303 is about 12889.8139241806. The cubic root of 166147303 is about 549.7489796665.

Adding to 166147303 its reverse (303741661), we get a palindrome (469888964).

The spelling of 166147303 in words is "one hundred sixty-six million, one hundred forty-seven thousand, three hundred three".