616345503 has 32 divisors (see below), whose sum is σ = 899328000. Its totient is φ = 374025600.

The previous prime is 616345487. The next prime is 616345547. The reversal of 616345503 is 305543616.

It is not a de Polignac number, because 616345503 - 2⁴ = 616345487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616340503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262113 + ... + 264453.

It is an arithmetic number, because the mean of its divisors is an integer number (28104000).

Almost surely, 2^616345503 is an apocalyptic number.

616345503 is a deficient number, since it is larger than the sum of its proper divisors (282982497).

616345503 is a wasteful number, since it uses less digits than its factorization.

616345503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 616345503 is about 24826.3066725601. The cubic root of 616345503 is about 851.0232212803.

The spelling of 616345503 in words is "six hundred sixteen million, three hundred forty-five thousand, five hundred three".