166543002 has 12 divisors (see below), whose sum is σ = 360843210. Its totient is φ = 55514328.

The previous prime is 166543001. The next prime is 166543021. The reversal of 166543002 is 200345661.

166543002 is a `hidden beast` number, since 1 + 6 + 654 + 3 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126360081 + 40182921 = 11241^2 + 6339^2 .

It is not an unprimeable number, because it can be changed into a prime (166543001) 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 5 ways as a sum of consecutive naturals, for example, 4626177 + ... + 4626212.

Almost surely, 2^166543002 is an apocalyptic number.

166543002 is an abundant number, since it is smaller than the sum of its proper divisors (194300208).

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

166543002 is a wasteful number, since it uses less digits than its factorization.

166543002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252397 (or 9252394 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 166543002 is about 12905.1540866431. The cubic root of 166543002 is about 550.1850638936.

Adding to 166543002 its reverse (200345661), we get a palindrome (366888663).

The spelling of 166543002 in words is "one hundred sixty-six million, five hundred forty-three thousand, two".