5653738664 has 64 divisors (see below), whose sum is σ = 12414504960. Its totient is φ = 2363509440.

The previous prime is 5653738663. The next prime is 5653738687. The reversal of 5653738664 is 4668373565.

It is not an unprimeable number, because it can be changed into a prime (5653738663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815099 + ... + 822005.

It is an arithmetic number, because the mean of its divisors is an integer number (193976640).

Almost surely, 2^5653738664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5653738664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6207252480).

5653738664 is an abundant number, since it is smaller than the sum of its proper divisors (6760766296).

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

5653738664 is a wasteful number, since it uses less digits than its factorization.

5653738664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278 (or 7274 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The square root of 5653738664 is about 75191.3470021651. The cubic root of 5653738664 is about 1781.4702602291.

The spelling of 5653738664 in words is "five billion, six hundred fifty-three million, seven hundred thirty-eight thousand, six hundred sixty-four".