216303541 has 8 divisors (see below), whose sum is σ = 221293440. Its totient is φ = 211329888.

The previous prime is 216303539. The next prime is 216303557. The reversal of 216303541 is 145303612.

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

It is a cyclic number.

It is not a de Polignac number, because 216303541 - 2¹ = 216303539 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 (216303511) 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, 25270 + ... + 32728.

It is an arithmetic number, because the mean of its divisors is an integer number (27661680).

Almost surely, 2^216303541 is an apocalyptic number.

It is an amenable number.

216303541 is a deficient number, since it is larger than the sum of its proper divisors (4989899).

216303541 is an equidigital number, since it uses as much as digits as its factorization.

216303541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216303541 is about 14707.2615058005. The cubic root of 216303541 is about 600.2809249296.

The spelling of 216303541 in words is "two hundred sixteen million, three hundred three thousand, five hundred forty-one".