216241619 has 8 divisors (see below), whose sum is σ = 236167680. Its totient is φ = 196360200.

The previous prime is 216241591. The next prime is 216241621. The reversal of 216241619 is 916142612.

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-216241619 is a prime.

It is a super-2 number, since 2×216241619² = 93520875575482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216241019) 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, 587 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (29520960).

Almost surely, 2^216241619 is an apocalyptic number.

216241619 is a deficient number, since it is larger than the sum of its proper divisors (19926061).

216241619 is a wasteful number, since it uses less digits than its factorization.

216241619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22321.

The product of its digits is 5184, while the sum is 32.

The square root of 216241619 is about 14705.1562045427. The cubic root of 216241619 is about 600.2236379294.

The spelling of 216241619 in words is "two hundred sixteen million, two hundred forty-one thousand, six hundred nineteen".