216741351 has 12 divisors (see below), whose sum is σ = 302101688. Its totient is φ = 138210864.

The previous prime is 216741337. The next prime is 216741353. The reversal of 216741351 is 153147612.

It is not a de Polignac number, because 216741351 - 2¹³ = 216733159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216741353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66700 + ... + 69873.

Almost surely, 2^216741351 is an apocalyptic number.

216741351 is a deficient number, since it is larger than the sum of its proper divisors (85360337).

216741351 is a wasteful number, since it uses less digits than its factorization.

216741351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136622 (or 136599 counting only the distinct ones).

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

The square root of 216741351 is about 14722.1381259653. The cubic root of 216741351 is about 600.6856522809.

Adding to 216741351 its reverse (153147612), we get a palindrome (369888963).

The spelling of 216741351 in words is "two hundred sixteen million, seven hundred forty-one thousand, three hundred fifty-one".