4666665920 has 448 divisors, whose sum is σ = 14286585600. Its totient is φ = 1445068800.

The previous prime is 4666665917. The next prime is 4666665929. The reversal of 4666665920 is 295666664.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4666665929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76502690 + ... + 76502750.

It is an arithmetic number, because the mean of its divisors is an integer number (31889700).

Almost surely, 2^4666665920 is an apocalyptic number.

4666665920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4666665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7143292800).

4666665920 is an abundant number, since it is smaller than the sum of its proper divisors (9619919680).

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

4666665920 is a wasteful number, since it uses less digits than its factorization.

4666665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 4666665920 is about 68312.9996413567. Note that the first 3 decimals coincide. The cubic root of 4666665920 is about 1671.0992225296.

The spelling of 4666665920 in words is "four billion, six hundred sixty-six million, six hundred sixty-five thousand, nine hundred twenty".