216026071 has 4 divisors (see below), whose sum is σ = 219567544. Its totient is φ = 212484600.

The previous prime is 216026047. The next prime is 216026101. The reversal of 216026071 is 170620612.

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

It is a cyclic number.

It is not a de Polignac number, because 216026071 - 2⁹ = 216025559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216024071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770645 + ... + 1770766.

It is an arithmetic number, because the mean of its divisors is an integer number (54891886).

Almost surely, 2^216026071 is an apocalyptic number.

216026071 is a deficient number, since it is larger than the sum of its proper divisors (3541473).

216026071 is an equidigital number, since it uses as much as digits as its factorization.

216026071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541472.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 216026071 is about 14697.8253833688. The cubic root of 216026071 is about 600.0241388437.

Adding to 216026071 its reverse (170620612), we get a palindrome (386646683).

The spelling of 216026071 in words is "two hundred sixteen million, twenty-six thousand, seventy-one".