616383612 has 36 divisors (see below), whose sum is σ = 1677934440. Its totient is φ = 189656352.

The previous prime is 616383611. The next prime is 616383631. The reversal of 616383612 is 216383616.

616383612 is a `hidden beast` number, since 6 + 1 + 6 + 38 + 3 + 612 = 666.

616383612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616383611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658062 + ... + 658997.

It is an arithmetic number, because the mean of its divisors is an integer number (46609290).

Almost surely, 2^616383612 is an apocalyptic number.

It is an amenable number.

616383612 is an abundant number, since it is smaller than the sum of its proper divisors (1061550828).

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

616383612 is a wasteful number, since it uses less digits than its factorization.

616383612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317082 (or 1317077 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 616383612 is about 24827.0741731683. The cubic root of 616383612 is about 851.0407606720.

The spelling of 616383612 in words is "six hundred sixteen million, three hundred eighty-three thousand, six hundred twelve".