216251141 has 8 divisors (see below), whose sum is σ = 227908800. Its totient is φ = 204621120.

The previous prime is 216251117. The next prime is 216251149. The reversal of 216251141 is 141152612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216251141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216251149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10280 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (28488600).

Almost surely, 2^216251141 is an apocalyptic number.

It is an amenable number.

216251141 is a deficient number, since it is larger than the sum of its proper divisors (11657659).

216251141 is a wasteful number, since it uses less digits than its factorization.

216251141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its digits is 480, while the sum is 23.

The square root of 216251141 is about 14705.4799649654. The cubic root of 216251141 is about 600.2324478980.

The spelling of 216251141 in words is "two hundred sixteen million, two hundred fifty-one thousand, one hundred forty-one".