616849660 has 24 divisors (see below), whose sum is σ = 1480439520. Its totient is φ = 211491264.

The previous prime is 616849643. The next prime is 616849693. The reversal of 616849660 is 66948616.

It is a self number, because there is not a number n which added to its sum of digits gives 616849660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202895 + ... + 2203174.

It is an arithmetic number, because the mean of its divisors is an integer number (61684980).

Almost surely, 2^616849660 is an apocalyptic number.

It is an amenable number.

616849660 is an abundant number, since it is smaller than the sum of its proper divisors (863589860).

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

616849660 is a wasteful number, since it uses less digits than its factorization.

616849660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406085 (or 4406083 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 616849660 is about 24836.4582821303. The cubic root of 616849660 is about 851.2551974371.

The spelling of 616849660 in words is "six hundred sixteen million, eight hundred forty-nine thousand, six hundred sixty".