4612644664 has 32 divisors (see below), whose sum is σ = 9268665120. Its totient is φ = 2146421376.

The previous prime is 4612644661. The next prime is 4612644671. The reversal of 4612644664 is 4664462164.

It is a self number, because there is not a number n which added to its sum of digits gives 4612644664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4612644661) 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 7 ways as a sum of consecutive naturals, for example, 331959 + ... + 345574.

It is an arithmetic number, because the mean of its divisors is an integer number (289645785).

Almost surely, 2^4612644664 is an apocalyptic number.

It is an amenable number.

4612644664 is an abundant number, since it is smaller than the sum of its proper divisors (4656020456).

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

4612644664 is a wasteful number, since it uses less digits than its factorization.

4612644664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677599 (or 677595 counting only the distinct ones).

The product of its digits is 663552, while the sum is 43.

The square root of 4612644664 is about 67916.4535587659. The cubic root of 4612644664 is about 1664.6259731529.

The spelling of 4612644664 in words is "four billion, six hundred twelve million, six hundred forty-four thousand, six hundred sixty-four".