616627660 has 24 divisors (see below), whose sum is σ = 1412638416. Its totient is φ = 224228160.

The previous prime is 616627637. The next prime is 616627663. The reversal of 616627660 is 66726616.

616627660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (616627663) 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, 1401207 + ... + 1401646.

It is an arithmetic number, because the mean of its divisors is an integer number (58859934).

Almost surely, 2^616627660 is an apocalyptic number.

It is an amenable number.

616627660 is an abundant number, since it is smaller than the sum of its proper divisors (796010756).

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

616627660 is a wasteful number, since it uses less digits than its factorization.

616627660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802873 (or 2802871 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 616627660 is about 24831.9886436830. The cubic root of 616627660 is about 851.1530648639.

The spelling of 616627660 in words is "six hundred sixteen million, six hundred twenty-seven thousand, six hundred sixty".