65616225430064 has 40 divisors (see below), whose sum is σ = 128439458402112. Its totient is φ = 32471387110400.

The previous prime is 65616225430061. The next prime is 65616225430079. The reversal of 65616225430064 is 46003452261656.

It is a junction number, because it is equal to n+sod(n) for n = 65616225429994 and 65616225430021.

It is not an unprimeable number, because it can be changed into a prime (65616225430061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24618584 + ... + 27153399.

Almost surely, 2^{65616225430064} is an apocalyptic number.

It is an amenable number.

65616225430064 is a deficient number, since it is larger than the sum of its proper divisors (62823232972048).

65616225430064 is a wasteful number, since it uses less digits than its factorization.

65616225430064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51772805 (or 51772799 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 65616225430064 in words is "sixty-five trillion, six hundred sixteen billion, two hundred twenty-five million, four hundred thirty thousand, sixty-four".