216105627 has 4 divisors (see below), whose sum is σ = 288140840. Its totient is φ = 144070416.

The previous prime is 216105599. The next prime is 216105661. The reversal of 216105627 is 726501612.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 216105627 - 2⁷ = 216105499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216105594 and 216105603.

It is not an unprimeable number, because it can be changed into a prime (216105667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36017602 + ... + 36017607.

It is an arithmetic number, because the mean of its divisors is an integer number (72035210).

Almost surely, 2^216105627 is an apocalyptic number.

216105627 is a deficient number, since it is larger than the sum of its proper divisors (72035213).

216105627 is an equidigital number, since it uses as much as digits as its factorization.

216105627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72035212.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 216105627 is about 14700.5315210029. The cubic root of 216105627 is about 600.0977868398.

The spelling of 216105627 in words is "two hundred sixteen million, one hundred five thousand, six hundred twenty-seven".