6485966164 has 12 divisors (see below), whose sum is σ = 11352283488. Its totient is φ = 3242456600.

The previous prime is 6485966161. The next prime is 6485966231. The reversal of 6485966164 is 4616695846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485966161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103222 + ... + 153709.

It is an arithmetic number, because the mean of its divisors is an integer number (946023624).

Almost surely, 2^6485966164 is an apocalyptic number.

It is an amenable number.

6485966164 is a deficient number, since it is larger than the sum of its proper divisors (4866317324).

6485966164 is a wasteful number, since it uses less digits than its factorization.

6485966164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263246 (or 263244 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The square root of 6485966164 is about 80535.4962982162. The cubic root of 6485966164 is about 1864.9114965417.

The spelling of 6485966164 in words is "six billion, four hundred eighty-five million, nine hundred sixty-six thousand, one hundred sixty-four".