6556005616065 has 16 divisors (see below), whose sum is σ = 10535415144000. Its totient is φ = 3481267609152.

The previous prime is 6556005615979. The next prime is 6556005616067. The reversal of 6556005616065 is 5606165006556.

It is not a de Polignac number, because 6556005616065 - 2²⁴ = 6555988838849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6556005615999 and 6556005616017.

It is not an unprimeable number, because it can be changed into a prime (6556005616067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954291415 + ... + 954298284.

It is an arithmetic number, because the mean of its divisors is an integer number (658463446500).

Almost surely, 2^{6556005616065} is an apocalyptic number.

It is an amenable number.

6556005616065 is a deficient number, since it is larger than the sum of its proper divisors (3979409527935).

6556005616065 is a wasteful number, since it uses less digits than its factorization.

6556005616065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908589936.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 6556005616065 in words is "six trillion, five hundred fifty-six billion, five million, six hundred sixteen thousand, sixty-five".