216017707 has 6 divisors (see below), whose sum is σ = 227985828. Its totient is φ = 204648012.

The previous prime is 216017701. The next prime is 216017717. The reversal of 216017707 is 707710612.

It is not a de Polignac number, because 216017707 - 2¹⁵ = 215984939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216017701) 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 5 ways as a sum of consecutive naturals, for example, 298833 + ... + 299554.

It is an arithmetic number, because the mean of its divisors is an integer number (37997638).

Almost surely, 2^216017707 is an apocalyptic number.

216017707 is a deficient number, since it is larger than the sum of its proper divisors (11968121).

216017707 is an equidigital number, since it uses as much as digits as its factorization.

216017707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598425 (or 598406 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 216017707 is about 14697.5408487270. The cubic root of 216017707 is about 600.0163949224.

The spelling of 216017707 in words is "two hundred sixteen million, seventeen thousand, seven hundred seven".