616845427803 has 12 divisors (see below), whose sum is σ = 971998856088. Its totient is φ = 373845713760.

The previous prime is 616845427721. The next prime is 616845427823. The reversal of 616845427803 is 308724548616.

It is a happy number.

616845427803 is a `hidden beast` number, since 6 + 16 + 8 + 4 + 542 + 7 + 80 + 3 = 666.

It is not a de Polignac number, because 616845427803 - 2⁹ = 616845427291 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 616845427803.

It is not an unprimeable number, because it can be changed into a prime (616845427823) 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, 3115380850 + ... + 3115381047.

It is an arithmetic number, because the mean of its divisors is an integer number (80999904674).

Almost surely, 2^616845427803 is an apocalyptic number.

616845427803 is a deficient number, since it is larger than the sum of its proper divisors (355153428285).

616845427803 is a wasteful number, since it uses less digits than its factorization.

616845427803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230761914 (or 6230761911 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 616845427803 in words is "six hundred sixteen billion, eight hundred forty-five million, four hundred twenty-seven thousand, eight hundred three".