166504002 has 16 divisors (see below), whose sum is σ = 380580672. Its totient is φ = 47572560.

The previous prime is 166503991. The next prime is 166504003. The reversal of 166504002 is 200405661.

It is not an unprimeable number, because it can be changed into a prime (166504003) 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 7 ways as a sum of consecutive naturals, for example, 1982149 + ... + 1982232.

It is an arithmetic number, because the mean of its divisors is an integer number (23786292).

Almost surely, 2^166504002 is an apocalyptic number.

166504002 is an abundant number, since it is smaller than the sum of its proper divisors (214076670).

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

166504002 is a wasteful number, since it uses less digits than its factorization.

166504002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964393.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 166504002 is about 12903.6429739822. The cubic root of 166504002 is about 550.1421142402.

Adding to 166504002 its reverse (200405661), we get a palindrome (366909663).

The spelling of 166504002 in words is "one hundred sixty-six million, five hundred four thousand, two".