4665445664 has 24 divisors (see below), whose sum is σ = 10020105648. Its totient is φ = 2120656960.

The previous prime is 4665445661. The next prime is 4665445669.

4665445664 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (4665445661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626702 + ... + 6627405.

It is an arithmetic number, because the mean of its divisors is an integer number (417504402).

Almost surely, 2^4665445664 is an apocalyptic number.

4665445664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4665445664 is an abundant number, since it is smaller than the sum of its proper divisors (5354659984).

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

4665445664 is a wasteful number, since it uses less digits than its factorization.

4665445664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254128 (or 13254120 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 50.

The square root of 4665445664 is about 68304.0676973195. The cubic root of 4665445664 is about 1670.9535548909.

The spelling of 4665445664 in words is "four billion, six hundred sixty-five million, four hundred forty-five thousand, six hundred sixty-four".