616889241 has 24 divisors (see below), whose sum is σ = 911813760. Its totient is φ = 401716896.

The previous prime is 616889213. The next prime is 616889257. The reversal of 616889241 is 142988616.

616889241 is a `hidden beast` number, since 616 + 8 + 8 + 9 + 24 + 1 = 666.

It is not a de Polignac number, because 616889241 - 2⁹ = 616888729 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (616889041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277651 + ... + 279863.

It is an arithmetic number, because the mean of its divisors is an integer number (37992240).

Almost surely, 2^616889241 is an apocalyptic number.

It is an amenable number.

616889241 is a deficient number, since it is larger than the sum of its proper divisors (294924519).

616889241 is a wasteful number, since it uses less digits than its factorization.

616889241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2922 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 616889241 is about 24837.2551019633. The cubic root of 616889241 is about 851.2734043647.

The spelling of 616889241 in words is "six hundred sixteen million, eight hundred eighty-nine thousand, two hundred forty-one".