216441627 has 16 divisors (see below), whose sum is σ = 297454080. Its totient is φ = 139918752.

The previous prime is 216441623. The next prime is 216441647. The reversal of 216441627 is 726144612.

It is not a de Polignac number, because 216441627 - 2² = 216441623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216441623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8328 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (18590880).

Almost surely, 2^216441627 is an apocalyptic number.

216441627 is a deficient number, since it is larger than the sum of its proper divisors (81012453).

216441627 is a wasteful number, since it uses less digits than its factorization.

216441627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242.

The product of its digits is 16128, while the sum is 33.

The square root of 216441627 is about 14711.9552405518. The cubic root of 216441627 is about 600.4086355207.

The spelling of 216441627 in words is "two hundred sixteen million, four hundred forty-one thousand, six hundred twenty-seven".