616032243 has 16 divisors (see below), whose sum is σ = 932060160. Its totient is φ = 401949288.

The previous prime is 616032191. The next prime is 616032251. The reversal of 616032243 is 342230616.

616032243 is a `hidden beast` number, since 616 + 0 + 3 + 2 + 2 + 43 = 666.

It is not a de Polignac number, because 616032243 - 2¹⁶ = 615966707 is a prime.

It is a super-2 number, since 2×616032243² = 758991448831222098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (616032143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241455 + ... + 243992.

It is an arithmetic number, because the mean of its divisors is an integer number (58253760).

Almost surely, 2^616032243 is an apocalyptic number.

616032243 is a deficient number, since it is larger than the sum of its proper divisors (316027917).

616032243 is a wasteful number, since it uses less digits than its factorization.

616032243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485503 (or 485497 counting only the distinct ones).

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

The square root of 616032243 is about 24819.9968372278. The cubic root of 616032243 is about 850.8790182259.

Adding to 616032243 its reverse (342230616), we get a palindrome (958262859).

The spelling of 616032243 in words is "six hundred sixteen million, thirty-two thousand, two hundred forty-three".