616402233 has 12 divisors (see below), whose sum is σ = 919080448. Its totient is φ = 397678680.

The previous prime is 616402223. The next prime is 616402289. The reversal of 616402233 is 332204616.

616402233 is a `hidden beast` number, since 616 + 40 + 2 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 616402233 - 2⁶ = 616402169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616402197 and 616402206.

It is not an unprimeable number, because it can be changed into a prime (616402223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104385 + ... + 1104942.

Almost surely, 2^616402233 is an apocalyptic number.

It is an amenable number.

616402233 is a deficient number, since it is larger than the sum of its proper divisors (302678215).

616402233 is a wasteful number, since it uses less digits than its factorization.

616402233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209364 (or 2209361 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 616402233 is about 24827.4491843202. The cubic root of 616402233 is about 851.0493305897.

Adding to 616402233 its reverse (332204616), we get a palindrome (948606849).

The spelling of 616402233 in words is "six hundred sixteen million, four hundred two thousand, two hundred thirty-three".