616988712 has 16 divisors (see below), whose sum is σ = 1542471840. Its totient is φ = 205662896.

The previous prime is 616988683. The next prime is 616988737. The reversal of 616988712 is 217889616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12853908 + ... + 12853955.

It is an arithmetic number, because the mean of its divisors is an integer number (96404490).

Almost surely, 2^616988712 is an apocalyptic number.

It is an amenable number.

616988712 is an abundant number, since it is smaller than the sum of its proper divisors (925483128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616988712 is a wasteful number, since it uses less digits than its factorization.

616988712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25707872 (or 25707868 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 616988712 is about 24839.2574768249. The cubic root of 616988712 is about 851.3191567517.

The spelling of 616988712 in words is "six hundred sixteen million, nine hundred eighty-eight thousand, seven hundred twelve".