216471050 has 12 divisors (see below), whose sum is σ = 402636246. Its totient is φ = 86588400.

The previous prime is 216471041. The next prime is 216471071. The reversal of 216471050 is 50174612.

It can be written as a sum of positive squares in 3 ways, for example, as 203889841 + 12581209 = 14279^2 + 3547^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2164661 + ... + 2164760.

Almost surely, 2^216471050 is an apocalyptic number.

216471050 is a deficient number, since it is larger than the sum of its proper divisors (186165196).

216471050 is a wasteful number, since it uses less digits than its factorization.

216471050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329433 (or 4329428 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 216471050 is about 14712.9551756267. The cubic root of 216471050 is about 600.4358407355.

The spelling of 216471050 in words is "two hundred sixteen million, four hundred seventy-one thousand, fifty".