4645855668 has 24 divisors (see below), whose sum is σ = 10862068000. Its totient is φ = 1545513120.

The previous prime is 4645855667. The next prime is 4645855771. The reversal of 4645855668 is 8665585464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645855667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381943 + ... + 393918.

Almost surely, 2^4645855668 is an apocalyptic number.

It is an amenable number.

4645855668 is an abundant number, since it is smaller than the sum of its proper divisors (6216212332).

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

4645855668 is a wasteful number, since it uses less digits than its factorization.

4645855668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776367 (or 776365 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The square root of 4645855668 is about 68160.5139945409. The cubic root of 4645855668 is about 1668.6115209135.

The spelling of 4645855668 in words is "four billion, six hundred forty-five million, eight hundred fifty-five thousand, six hundred sixty-eight".