616984009306 has 24 divisors (see below), whose sum is σ = 1139902032276. Its totient is φ = 248867498880.

The previous prime is 616984009303. The next prime is 616984009331. The reversal of 616984009306 is 603900489616.

It can be written as a sum of positive squares in 2 ways, for example, as 603326581081 + 13657428225 = 776741^2 + 116865^2 .

It is not an unprimeable number, because it can be changed into a prime (616984009303) 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, 185167605 + ... + 185170936.

Almost surely, 2^616984009306 is an apocalyptic number.

616984009306 is a deficient number, since it is larger than the sum of its proper divisors (522918022970).

616984009306 is a wasteful number, since it uses less digits than its factorization.

616984009306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370338574 (or 370338567 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 616984009306 in words is "six hundred sixteen billion, nine hundred eighty-four million, nine thousand, three hundred six".