2643418164 has 48 divisors (see below), whose sum is σ = 6275709440. Its totient is φ = 865779840.

The previous prime is 2643418159. The next prime is 2643418171. The reversal of 2643418164 is 4618143462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286562 + ... + 1288614.

Almost surely, 2^2643418164 is an apocalyptic number.

It is an amenable number.

2643418164 is an abundant number, since it is smaller than the sum of its proper divisors (3632291276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643418164 is a wasteful number, since it uses less digits than its factorization.

2643418164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3878 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 2643418164 is about 51414.1825180562. The cubic root of 2643418164 is about 1382.6808776374.

The spelling of 2643418164 in words is "two billion, six hundred forty-three million, four hundred eighteen thousand, one hundred sixty-four".