216826130 has 8 divisors (see below), whose sum is σ = 390287052. Its totient is φ = 86730448.

The previous prime is 216826123. The next prime is 216826151. The reversal of 216826130 is 31628612.

It can be written as a sum of positive squares in 2 ways, for example, as 206008609 + 10817521 = 14353^2 + 3289^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 216826093 and 216826102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10841297 + ... + 10841316.

Almost surely, 2^216826130 is an apocalyptic number.

216826130 is a deficient number, since it is larger than the sum of its proper divisors (173460922).

216826130 is a wasteful number, since it uses less digits than its factorization.

216826130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21682620.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 216826130 is about 14725.0171476980. The cubic root of 216826130 is about 600.7639620423.

The spelling of 216826130 in words is "two hundred sixteen million, eight hundred twenty-six thousand, one hundred thirty".