4564955668 has 72 divisors (see below), whose sum is σ = 10467963072. Its totient is φ = 1699656192.

The previous prime is 4564955663. The next prime is 4564955767. The reversal of 4564955668 is 8665594654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564955663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52071 + ... + 108817.

It is an arithmetic number, because the mean of its divisors is an integer number (145388376).

Almost surely, 2^4564955668 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 4564955668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5233981536).

4564955668 is an abundant number, since it is smaller than the sum of its proper divisors (5903007404).

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

4564955668 is a wasteful number, since it uses less digits than its factorization.

4564955668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56801 (or 56786 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 58.

The square root of 4564955668 is about 67564.4556553222. The cubic root of 4564955668 is about 1658.8693694519.

The spelling of 4564955668 in words is "four billion, five hundred sixty-four million, nine hundred fifty-five thousand, six hundred sixty-eight".