403166216 has 16 divisors (see below), whose sum is σ = 756162540. Its totient is φ = 201522880.

The previous prime is 403166209. The next prime is 403166227. The reversal of 403166216 is 612661304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 393863716 + 9302500 = 19846^2 + 3050^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35150 + ... + 45186.

Almost surely, 2^403166216 is an apocalyptic number.

It is an amenable number.

403166216 is a deficient number, since it is larger than the sum of its proper divisors (352996324).

403166216 is a wasteful number, since it uses less digits than its factorization.

403166216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064 (or 15060 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 403166216 is about 20078.9993774590. Note that the first 3 decimals coincide. The cubic root of 403166216 is about 738.7452659494.

The spelling of 403166216 in words is "four hundred three million, one hundred sixty-six thousand, two hundred sixteen".