6445463167 has 32 divisors (see below), whose sum is σ = 7980166656. Its totient is φ = 5122128000.

The previous prime is 6445463149. The next prime is 6445463183. The reversal of 6445463167 is 7613645446.

It is not a de Polignac number, because 6445463167 - 2¹¹ = 6445461119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445463107) 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, 322488 + ... + 341890.

It is an arithmetic number, because the mean of its divisors is an integer number (249380208).

Almost surely, 2^6445463167 is an apocalyptic number.

6445463167 is a deficient number, since it is larger than the sum of its proper divisors (1534703489).

6445463167 is a wasteful number, since it uses less digits than its factorization.

6445463167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551.

The product of its digits is 1451520, while the sum is 46.

The square root of 6445463167 is about 80283.6419639767. The cubic root of 6445463167 is about 1861.0214421777.

The spelling of 6445463167 in words is "six billion, four hundred forty-five million, four hundred sixty-three thousand, one hundred sixty-seven".