616065612 has 12 divisors (see below), whose sum is σ = 1437486456. Its totient is φ = 205355200.

The previous prime is 616065563. The next prime is 616065623. The reversal of 616065612 is 216560616.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 25669389 + ... + 25669412.

It is an arithmetic number, because the mean of its divisors is an integer number (119790538).

Almost surely, 2^616065612 is an apocalyptic number.

It is an amenable number.

616065612 is an abundant number, since it is smaller than the sum of its proper divisors (821420844).

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

616065612 is a wasteful number, since it uses less digits than its factorization.

616065612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51338808 (or 51338806 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 616065612 is about 24820.6690481945. The cubic root of 616065612 is about 850.8943813120.

The spelling of 616065612 in words is "six hundred sixteen million, sixty-five thousand, six hundred twelve".