6663500460 has 36 divisors (see below), whose sum is σ = 20212618608. Its totient is φ = 1776933408.

The previous prime is 6663500443. The next prime is 6663500471. The reversal of 6663500460 is 640053666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18509544 + ... + 18509903.

It is an arithmetic number, because the mean of its divisors is an integer number (561461628).

Almost surely, 2^6663500460 is an apocalyptic number.

6663500460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6663500460 is an abundant number, since it is smaller than the sum of its proper divisors (13549118148).

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

6663500460 is a wasteful number, since it uses less digits than its factorization.

6663500460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37019462 (or 37019457 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6663500460 is about 81630.2668132354. The cubic root of 6663500460 is about 1881.7740591260.

The spelling of 6663500460 in words is "six billion, six hundred sixty-three million, five hundred thousand, four hundred sixty".