403160066 has 16 divisors (see below), whose sum is σ = 657620856. Its totient is φ = 184594176.

The previous prime is 403160063. The next prime is 403160099. The reversal of 403160066 is 660061304.

It can be written as a sum of positive squares in 4 ways, for example, as 354230041 + 48930025 = 18821^2 + 6995^2 .

It is not an unprimeable number, because it can be changed into a prime (403160063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158981 + ... + 161496.

Almost surely, 2^403160066 is an apocalyptic number.

403160066 is a deficient number, since it is larger than the sum of its proper divisors (254460790).

403160066 is a wasteful number, since it uses less digits than its factorization.

403160066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320533.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 403160066 is about 20078.8462317933. The cubic root of 403160066 is about 738.7415095942.

The spelling of 403160066 in words is "four hundred three million, one hundred sixty thousand, sixty-six".