481666560 has 160 divisors (see below), whose sum is σ = 1567399680. Its totient is φ = 126148608.

The previous prime is 481666547. The next prime is 481666571. The reversal of 481666560 is 65666184.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452589 + ... + 453651.

It is an arithmetic number, because the mean of its divisors is an integer number (9796248).

Almost surely, 2^481666560 is an apocalyptic number.

481666560 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 481666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783699840).

481666560 is an abundant number, since it is smaller than the sum of its proper divisors (1085733120).

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

481666560 is a wasteful number, since it uses less digits than its factorization.

481666560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 481666560 is about 21946.9031984014. The cubic root of 481666560 is about 783.8786428846.

The spelling of 481666560 in words is "four hundred eighty-one million, six hundred sixty-six thousand, five hundred sixty".