6456446544165 has 32 divisors (see below), whose sum is σ = 10375555597056. Its totient is φ = 3428360363520.

The previous prime is 6456446544157. The next prime is 6456446544217. The reversal of 6456446544165 is 5614456446546.

It is not a de Polignac number, because 6456446544165 - 2³ = 6456446544157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6456446544099 and 6456446544108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43337032 + ... + 43485758.

It is an arithmetic number, because the mean of its divisors is an integer number (324236112408).

Almost surely, 2^{6456446544165} is an apocalyptic number.

It is an amenable number.

6456446544165 is a deficient number, since it is larger than the sum of its proper divisors (3919109052891).

6456446544165 is a wasteful number, since it uses less digits than its factorization.

6456446544165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161389.

The product of its digits is 165888000, while the sum is 60.

The spelling of 6456446544165 in words is "six trillion, four hundred fifty-six billion, four hundred forty-six million, five hundred forty-four thousand, one hundred sixty-five".