216412603 has 8 divisors (see below), whose sum is σ = 248512320. Its totient is φ = 186383880.

The previous prime is 216412597. The next prime is 216412607. The reversal of 216412603 is 306214612.

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 216412603 - 2⁵ = 216412571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216412607) 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, 517525 + ... + 517942.

It is an arithmetic number, because the mean of its divisors is an integer number (31064040).

Almost surely, 2^216412603 is an apocalyptic number.

216412603 is a deficient number, since it is larger than the sum of its proper divisors (32099717).

216412603 is a wasteful number, since it uses less digits than its factorization.

216412603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035497.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 216412603 is about 14710.9687988249. The cubic root of 216412603 is about 600.3817968153.

The spelling of 216412603 in words is "two hundred sixteen million, four hundred twelve thousand, six hundred three".