616000646 has 16 divisors (see below), whose sum is σ = 949309200. Its totient is φ = 299608320.

The previous prime is 616000643. The next prime is 616000663. The reversal of 616000646 is 646000616.

616000646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616000643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17630 + ... + 39278.

It is an arithmetic number, because the mean of its divisors is an integer number (59331825).

Almost surely, 2^616000646 is an apocalyptic number.

616000646 is a deficient number, since it is larger than the sum of its proper divisors (333308554).

616000646 is a wasteful number, since it uses less digits than its factorization.

616000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22039.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 616000646 is about 24819.3603060192. The cubic root of 616000646 is about 850.8644704570.

The spelling of 616000646 in words is "six hundred sixteen million, six hundred forty-six", and thus it is an aban number.