65616103003 has 6 divisors (see below), whose sum is σ = 72123485252. Its totient is φ = 59651002620.

The previous prime is 65616102983. The next prime is 65616103013. The reversal of 65616103003 is 30030161656.

65616103003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-65616103003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65616103013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271140801 + ... + 271141042.

Almost surely, 2^65616103003 is an apocalyptic number.

65616103003 is a deficient number, since it is larger than the sum of its proper divisors (6507382249).

65616103003 is a wasteful number, since it uses less digits than its factorization.

65616103003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542281865 (or 542281854 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 65616103003 its reverse (30030161656), we get a palindrome (95646264659).

The spelling of 65616103003 in words is "sixty-five billion, six hundred sixteen million, one hundred three thousand, three".