4571613664 has 24 divisors (see below), whose sum is σ = 9002688408. Its totient is φ = 2285216640.

The previous prime is 4571613659. The next prime is 4571613703. The reversal of 4571613664 is 4663161754.

It is a self number, because there is not a number n which added to its sum of digits gives 4571613664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124459 + ... + 156949.

It is an arithmetic number, because the mean of its divisors is an integer number (375112017).

Almost surely, 2^4571613664 is an apocalyptic number.

It is an amenable number.

4571613664 is a deficient number, since it is larger than the sum of its proper divisors (4431074744).

4571613664 is a wasteful number, since it uses less digits than its factorization.

4571613664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36898 (or 36890 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 4571613664 is about 67613.7091424513. The cubic root of 4571613664 is about 1659.6754656612.

The spelling of 4571613664 in words is "four billion, five hundred seventy-one million, six hundred thirteen thousand, six hundred sixty-four".