216100315 has 8 divisors (see below), whose sum is σ = 268262640. Its totient is φ = 166918752.

The previous prime is 216100289. The next prime is 216100321. The reversal of 216100315 is 513001612.

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

It is a cyclic number.

It is not a de Polignac number, because 216100315 - 2²⁷ = 81882587 is a prime.

It is a super-3 number, since 3×216100315³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 216100292 and 216100301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745029 + ... + 745318.

It is an arithmetic number, because the mean of its divisors is an integer number (33532830).

Almost surely, 2^216100315 is an apocalyptic number.

216100315 is a deficient number, since it is larger than the sum of its proper divisors (52162325).

216100315 is a wasteful number, since it uses less digits than its factorization.

216100315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490381.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 216100315 is about 14700.3508461533. The cubic root of 216100315 is about 600.0928698838.

Adding to 216100315 its reverse (513001612), we get a palindrome (729101927).

The spelling of 216100315 in words is "two hundred sixteen million, one hundred thousand, three hundred fifteen".