216667870130 has 8 divisors (see below), whose sum is σ = 390002166252. Its totient is φ = 86667148048.

The previous prime is 216667870099. The next prime is 216667870169. The reversal of 216667870130 is 31078766612.

216667870130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183818845081 + 32849025049 = 428741^2 + 181243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10833393497 + ... + 10833393516.

Almost surely, 2^216667870130 is an apocalyptic number.

216667870130 is a deficient number, since it is larger than the sum of its proper divisors (173334296122).

216667870130 is a wasteful number, since it uses less digits than its factorization.

216667870130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21666787020.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 216667870130 in words is "two hundred sixteen billion, six hundred sixty-seven million, eight hundred seventy thousand, one hundred thirty".