216743151 has 8 divisors (see below), whose sum is σ = 296801584. Its totient is φ = 140590080.

The previous prime is 216743141. The next prime is 216743161. The reversal of 216743151 is 151347612.

It is an interprime number because it is at equal distance from previous prime (216743141) and next prime (216743161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216743151 - 2¹⁴ = 216726767 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 (216743101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976210 + ... + 976431.

It is an arithmetic number, because the mean of its divisors is an integer number (37100198).

Almost surely, 2^216743151 is an apocalyptic number.

216743151 is a deficient number, since it is larger than the sum of its proper divisors (80058433).

216743151 is a wasteful number, since it uses less digits than its factorization.

216743151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952681.

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

The square root of 216743151 is about 14722.1992582630. The cubic root of 216743151 is about 600.6873151403.

The spelling of 216743151 in words is "two hundred sixteen million, seven hundred forty-three thousand, one hundred fifty-one".