660587488 has 24 divisors (see below), whose sum is σ = 1418762520. Its totient is φ = 300266880.

The previous prime is 660587471. The next prime is 660587503. The reversal of 660587488 is 884785066.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 937983 + ... + 938686.

It is an arithmetic number, because the mean of its divisors is an integer number (59115105).

Almost surely, 2^660587488 is an apocalyptic number.

It is an amenable number.

660587488 is an abundant number, since it is smaller than the sum of its proper divisors (758175032).

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

660587488 is a wasteful number, since it uses less digits than its factorization.

660587488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876690 (or 1876682 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The square root of 660587488 is about 25701.8965837154. The cubic root of 660587488 is about 870.9170266354.

The spelling of 660587488 in words is "six hundred sixty million, five hundred eighty-seven thousand, four hundred eighty-eight".