616996064 has 24 divisors (see below), whose sum is σ = 1215466560. Its totient is φ = 308306176.

The previous prime is 616996033. The next prime is 616996067. The reversal of 616996064 is 460699616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616996067) by changing a digit.

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, 56177 + ... + 66255.

It is an arithmetic number, because the mean of its divisors is an integer number (50644440).

Almost surely, 2^616996064 is an apocalyptic number.

It is an amenable number.

616996064 is a deficient number, since it is larger than the sum of its proper divisors (598470496).

616996064 is a wasteful number, since it uses less digits than its factorization.

616996064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002 (or 11994 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 616996064 is about 24839.4054679254. The cubic root of 616996064 is about 851.3225381607.

The spelling of 616996064 in words is "six hundred sixteen million, nine hundred ninety-six thousand, sixty-four".