616155440792 has 32 divisors (see below), whose sum is σ = 1157365609920. Its totient is φ = 307524940800.

The previous prime is 616155440779. The next prime is 616155440801. The reversal of 616155440792 is 297044551616.

It is a self number, because there is not a number n which added to its sum of digits gives 616155440792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16395848 + ... + 16433384.

It is an arithmetic number, because the mean of its divisors is an integer number (36167675310).

Almost surely, 2^616155440792 is an apocalyptic number.

It is an amenable number.

616155440792 is a deficient number, since it is larger than the sum of its proper divisors (541210169128).

616155440792 is a wasteful number, since it uses less digits than its factorization.

616155440792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41171 (or 41167 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 616155440792 in words is "six hundred sixteen billion, one hundred fifty-five million, four hundred forty thousand, seven hundred ninety-two".