616576389 has 24 divisors (see below), whose sum is σ = 971141472. Its totient is φ = 344934720.

The previous prime is 616576381. The next prime is 616576427. The reversal of 616576389 is 983675616.

It is not a de Polignac number, because 616576389 - 2³ = 616576381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616576381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49702 + ... + 60855.

It is an arithmetic number, because the mean of its divisors is an integer number (40464228).

Almost surely, 2^616576389 is an apocalyptic number.

It is an amenable number.

616576389 is a deficient number, since it is larger than the sum of its proper divisors (354565083).

616576389 is a wasteful number, since it uses less digits than its factorization.

616576389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110597 (or 110584 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 616576389 is about 24830.9562643085. The cubic root of 616576389 is about 851.1294738158.

The spelling of 616576389 in words is "six hundred sixteen million, five hundred seventy-six thousand, three hundred eighty-nine".