616808241 has 48 divisors (see below), whose sum is σ = 1055942784. Its totient is φ = 339593472.

The previous prime is 616808237. The next prime is 616808249. The reversal of 616808241 is 142808616.

It is not a de Polignac number, because 616808241 - 2² = 616808237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616808196 and 616808205.

It is not an unprimeable number, because it can be changed into a prime (616808249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248181 + ... + 250653.

It is an arithmetic number, because the mean of its divisors is an integer number (21998808).

Almost surely, 2^616808241 is an apocalyptic number.

It is an amenable number.

616808241 is a deficient number, since it is larger than the sum of its proper divisors (439134543).

616808241 is a wasteful number, since it uses less digits than its factorization.

616808241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 616808241 is about 24835.6244334625. The cubic root of 616808241 is about 851.2361442109.

The spelling of 616808241 in words is "six hundred sixteen million, eight hundred eight thousand, two hundred forty-one".